21 results about "Spherical probe" patented technology

The invention discloses a thirteen-hole probe and a fluid velocity vector measurement method and system, and the method comprises the steps: carrying out the partitioning of the thirteen-hole probe according to the physical position of each pressure hole in the surface of a spherical probe; adjusting the angle attitude of the thirteen-hole probe, obtaining multiple groups of calibration data under a known flow field, and calculating an angle coefficient characteristic curve graph of each subarea by using the calibration data; performing dimensionless processing on the pore pressure data of each pressure pore in the known flow field to obtain a dimensionless pressure coefficient for fitting, and establishing a general calculation model; and collecting actually measured pore pressure data of the thirteen-hole probe in the flow field to be measured, positioning the subarea to which the actually measured pore pressure data belongs, and calling the angle characteristic curve of the corresponding subarea in the general calculation model to calculate the flow field parameters of the flow field to be measured. A plurality of pressure holes are formed in the spherical probe and used for receiving airflow in multiple directions, the defect that only airflow in the axis direction of the probe can be received in the prior art is overcome, and large-angle bias flow measurement is achieved.

The invention relates to a torque-stopping shoulder depth gauge, a quality detection method and a use method thereof. The depth gauge comprises a main scale, a vernier scale, a base and a lengthened marker post. The vernier scale is fixed on the base to form a scale slot, and the main scale is inserted into the scale slot in a movable and adjustable manner and is fixed through a fastening screw; the lengthened marker post is fixedly connected with the base through a concave table part at one end; an obtuse angle notch is formed in one side, far away from the scale mark, of the head end part of the main scale, a spherical surface measuring head supporting column is vertically welded on the inclined surface of the obtuse angle notch, a spherical surface measuring head is welded at the outer end of the spherical surface measuring head supporting column, and the outer surface of the spherical surface measuring head forms a spherical surface measuring head measuring surface for measuring the depth of a torque shoulder. According to the invention, convenient measurement of the depth of the torque-stopping shoulder of the special-buckle knot hoop can be realized, and the measurement precision can be ensured.

The application discloses a kind of based on the joint coordinate measuring machine calibration method of virtual calibration member construction.It is as follows: one, the coordinates of 12 sampling points are determined;Two, 12 sampling points are used to construct selected type virtual calibration member.Three, the spindle of precision machine tool drives calibration tool to move to the sampling point position on all virtual calibration members in turn.Each time calibration tool reaches a sampling point, the coordinates of calibration tool are measured using the spherical probe of joint coordinate measuring machine.Four, according to the measurement results, joint coordinate measuring machine is calibrated.The application constructs a large number of different types of virtual calibration members by setting 12 sampling points in precision machine tool, and the size and spatial pose of calibration member can change according to the change of sampling point;Compared with the existing calibration method using entity calibration member that can only change spatial pose, the calibration effect and calibration efficiency of the application are significantly enhanced.

The invention provides a portable modularized three-dimensional pitot tube flow velocity automatic measuring device and method, and the device comprises a pitot tube, one end of the pitot tube is spherical and is provided with five measuring tubes capable of measuring static pressure, the other end of the pitot tube is connected with an air tube in a clamping manner, and the air tube is internally provided with a thin tube which can be connected with the five measuring tubes of the pitot tube. The surface of the gas pipe is sleeved with a control unit capable of driving the gas pipe to rotate and move, one end, far away from the pitot tube, of the gas pipe is fixedly connected with a quick connection unit, and the gas pipe is fixedly connected with an extension pipe through the quick connection unit. According to the invention, a plurality of transverse points in the flue can be measured, the flow velocity in the flue can be accurately measured, the pitot tube can be conveniently and rapidly prolonged in a narrow flue and other places, and the use experience can be further improved.

A system for registering an anatomical surface for a registration procedure includes memory storing instructions and one or more processing devices configured to execute the instructions. Executing the instructions causes the system to perform, based on a dimension of a spherical probe tip of a probe configured to perform the registration procedure, a dilation process on a first model of patient anatomy including the anatomical surface to obtain a second model of the patient anatomy, receive data indicative of a plurality of locations of the spherical probe tip relative to the patient anatomy, and register points corresponding to the plurality of locations of the spherical probe to the second model.

The application relates to the technical field of soil parameter detection, in particular to a top-and-bottom double-force-structure ball-type penetration instrument device and a vertical consolidation coefficient testing method. The device comprises a loading probe rod and a spherical probe, the spherical probe comprises a middle spherical instrument and a lower spherical instrument, the middle spherical instrument and the lower spherical instrument form a sphere, the middle spherical instrument is located above the lower spherical instrument, the top of the middle spherical instrument is provided with an upper force measuring mechanism, and the bottom of the middle spherical instrument and the lower spherical instrument are connected through a lower force measuring mechanism; a signal transmission cable penetrates through the middle spherical instrument, and the signal connection of the upper force measuring mechanism and the lower force measuring mechanism is realized. The measured penetration resistance value is stable and high in precision, the vertical consolidation coefficient of soil can be measured, the measurement cost is greatly reduced, and the operation time is shortened.

The application discloses a thirteen-hole probe and a fluid velocity vector measurement method and system, and the method comprises the following steps: according to the physical positions of each pressure hole on the surface of a spherical probe, the thirteen-hole probe is partitioned; the angle posture of the thirteen-hole probe is adjusted, a plurality of sets of calibration data under a known flow field are obtained, and an angle coefficient characteristic curve of each partition region is calculated by using the calibration data; dimensionless processing is performed on the hole pressure data of each pressure hole under the known flow field, fitting is performed on the dimensionless pressure coefficient obtained in the dimensionless processing, and a general calculation model is established; measured hole pressure data of the thirteen-hole probe under a to-be-measured flow field is collected, the partition to which the measured hole pressure data belongs is located, and the flow field parameters of the to-be-measured flow field are calculated by calling the angle characteristic curve of the corresponding partition in the general calculation model.

The present application relates to the technical field of fluid measurement, and discloses a porous probe with anti-icing function, which comprises a pressure sensing probe, an air path support arm and an air path guide pipe, the pressure sensing probe is of a spherical structure, and a plurality of sensing holes are arranged on the outer wall surface of the pressure sensing probe, and each sensing hole is arranged on the windward surface of the pressure sensing probe. The pressure sensing probe is designed as a spherical structure, so that the measurement of a larger range of speed and direction can be achieved compared with the conical surface of a traditional five-hole probe. In addition, in order to avoid the influence of the vortex on the leeward surface of the spherical probe and the interference of the air path support arm on the flow field, the sensing holes are all arranged on the windward surface of the pressure sensing probe, so that the influence of the vortex on the leeward surface and the air path support arm on the flow field measurement is avoided, and more accurate and stable measurement results can be provided.

A scleral depressor and illuminator is disclosed. The instrument includes a handle having a rechargeable battery, a rigid but flexible shaft, and a distal probe tip portion. The probe tip may be partially spherical in shape. The probe tip includes a transparent window that is arranged laterally to a long axis of the shaft, and is opaque in all other directions such that the probe tip launches a beam that is oriented transverse to the long axis of the shaft.

The utility model discloses a novel moisture detector applies in the field of detection instrument, solved the simple equipment of current equipment and inconvenient to use technical problem that cannot satisfy the use demand of meeting detection working condition, and its technical scheme main points are including instrument body and spherical probe, the instrument body includes split type upper cabin and lower cabin, is equipped with integrated high frequency circuit and microcontrol unit module in the upper cabin, the spherical probe is linked with integrated high frequency circuit, is equipped with double -mode composite probe module in the spherical probe, double -mode composite probe module includes annular capacitance electrode and center electromagnetic wave antenna, the annular capacitance electrode evenly distributes in the inner wall of spherical probe, the center electromagnetic wave antenna is located at the spherical heart place of spherical probe inner chamber, the tail end of center electromagnetic wave antenna is connected with the coaxial cable, still is equipped with curved surface self -adaptation structure on the spherical probe, has can satisfy the use demand of multiple working condition, improves the convenient and reliable technical effect of equipment use.

The application belongs to the technical field of sensors, and particularly relates to a composite sensor and a composite detection device; the composite sensor comprises a spherical probe shell, a capacitive pressure sensor array located on the outer surface of the inner ring of the outer surface of the spherical probe shell, a flexible piezoelectric ultrasonic transducer array located on the outer ring of the inner surface of the spherical probe shell and penetrating the inner and outer surfaces of the spherical probe shell, and a block piezoelectric ceramic located on the inner surface of the inner ring of the spherical probe shell opposite to the capacitive pressure sensor array; the application enhances the adhesion to the surface to be detected through the design of the spherical probe shell; through the design of the capacitive pressure sensor array, the flexible piezoelectric ultrasonic transducer array and the block piezoelectric ceramic, the synchronous acquisition of the pressure distribution and the internal structure information is realized, the intuitiveness of bionic palpation and the high precision, non-radiation and other characteristics of ultrasonic imaging are fused, and the advantages of bionic palpation technology and ultrasonic imaging technology can be simultaneously exerted.

The invention relates to a confectionery slice product and a preparation method thereof. The confectionery tablet product comprises: 45% to 85% by weight of a bulk sweetener, wherein the bulk sweetener is not a dried fruit or a dried vegetable; from 5% to 50% by weight of a gelatinized starch; a moisture content of from 0% to less than 6% by weight, from 0.25% to 5% by weight, from 0.5% to 4% by weight, from 0.75% to 3% by weight, or from 1% to 2% by weight, based on the total weight of the confectionery slice product; and one or more of the following properties: a thickness of less than 4 mm; a non-uniform cell structure; and a breaking force of less than 2000 g, 150 g to 1500 g, 200 g to 1000 g, 300 g to 800 g, or 400 g to 600 g, as measured by a texture analyzer with a spherical probe and with a 50 kg load sensor. Confectionery products having the texture and other properties of fried potato chips or snack chips are disclosed, but the confectionery products are made from confectionery ingredients.

The utility model discloses a multi-angle probe for intelligent detection of precision machining machinery. The multi-angle probe comprises a stand column, a detection arm and a probe head. The stand column shell is composed of a plurality of sections of hinged arc-shaped elastic metal sheets, the angle limiting pin sheet and the shaft sleeve are matched, multi-angle flexible adjustment of the whole stand column and the detection arm is achieved, the arc-shaped metal sheets are provided with anti-slip lines, and the scales of the detection arm and the stand column pointer assist in precise angle control. A pressure sensor module, a displacement sensor module, a signal processing module and a wireless transmission module are integrated in the spherical probe head, a pressure signal is processed by a signal conditioning circuit composed of an operational amplifier and a filter circuit, a displacement signal is transmitted by an A / D conversion circuit, and the pressure signal and the displacement signal are analyzed and processed by a single-chip microcomputer minimum system circuit. And then the signal is transmitted to the Bluetooth or Wi-Fi wireless transmission module through the serial port communication circuit.

The invention relates to a dual-mode OTDR liquid level measurement method based on interference signal enhancement. The method comprises the following steps: establishing an optical path system containing double transmission channels, and obtaining a first OTDR optical path and a second OTDR optical path which can be switched; obtaining initial position information of the liquid level by obtaining a reflected light signal of the end face of the probe; the second OTDR optical path obtains modulation detection light through a laser frequency modulation device; a beat frequency interference signal is formed by probe end face reflected light and liquid level reflected light, a beat frequency value is obtained through analysis, and the distance between the probe and the liquid level is calculated; parallel emergent light and stable light spots are obtained through a spherical probe, and a reflected light signal with stable amplitude is obtained; obtaining a compliance beat frequency interference signal and obtaining distance data; double light paths are circularly switched to obtain the positioning signal and the distance signal, the liquid level fluctuation state is judged, and an early warning signal is generated; the sampling frequency is regulated and controlled according to the early warning signal, distance monitoring data are obtained, and a liquid level position change curve is updated in real time. And the dual-mode OTDR liquid level measurement is realized.

The application provides a model-based bending-twisting blade three-coordinate contact measurement ball radius compensation method, which comprises the following steps: S1, cloud generation on a blade profile theoretical point: using existing commercial software, according to a blade detection technical requirement document, generating different-height equal-section measurement theoretical points on a blade theoretical model; S2, coordinate system transformation on the blade theoretical model; S3, radius compensation amount calculation; S4, three-coordinate contact measurement ball radius compensation. The application can theoretically eliminate the radius compensation error of the three-coordinate spherical probe contact measurement of a large bending-sweep blade by using the equal-section method, can be directly used for three-coordinate measurement ball radius compensation in an actual measurement process, thereby reducing the inherent error of the measurement ball radius compensation in the current large bending-sweep blade measurement, and improving the profile measurement precision of the large bending-sweep blade.

The utility model relates to the field of medical instruments, in particular to an anal fistula probe which comprises a probe head, a probe tube body and a handle, the probe head is arranged at one end of the probe tube body, and the handle is arranged at the other end of the probe tube body; the probe head is a hollow spherical probe, a circular groove is formed in the top end of the probe head, and a micro camera is arranged in the circular groove; the probe tube body is of a hollow structure, a circle of liquid bag is arranged at the position, close to the probe head, of the outer portion of the probe tube body, a connecting opening is formed in the contact face of the probe tube body and the liquid bag, and a plurality of water outlet holes are formed in the position, close to the liquid bag, of the probe tube body. The handle is of a double-handle structure and comprises a main handle and an auxiliary handle, and a cavity is formed in the auxiliary handle; the liquid channel penetrates through the probe tube body and the interior of the auxiliary handle and comprises a first liquid channel and a second liquid channel, the cleaning efficiency is improved, and the infection risk is reduced.

The utility model relates to the technical field of flour detection, and discloses a flour sampling device for flour detection, which comprises a spherical probe, a limiting tube is fixedly mounted on the outer side of the spherical probe, a feeding hole is formed in the outer end of the spherical probe, a spherical plug is movably mounted in an inner cavity of the limiting tube, and a feeding hole is formed in the inner cavity of the limiting tube. A material leakage baffle is fixedly mounted on the inner side of the limiting pipe; through the arrangement of the spherical probe, the arc-shaped feeding opening is conveniently formed, so that the internal spherical plug can conveniently plug the feeding opening, through the arrangement of the limiting pipe, the movable space is conveniently provided for the spherical plug, and when the device is used, the air pushing plug is controlled to be pushed inwards through the oil pump, so that air extending into the long pipe is compressed, and the air is compressed; the spherical plug is pressed against the feeding port under the action of pressure, so that the feeding port is blocked, after the feeding port is blocked, a user pushes the spherical probe to be inserted into the flour, and after the whole probing long pipe is immersed into the flour, the whole probing long pipe is inserted into the flour.

The invention relates to the technical field of roller machining, in particular to a high-precision diamond roller profile detection device which comprises a base connected with a mounting seat through a moving structure. The rear side of the base is further connected with a base through a first hydraulic cylinder, the front side of the base is further provided with a supporting seat through a second hydraulic cylinder, and the supporting seat is further connected with a base plate through a driving structure. The base plate comprises a center plate and a supporting plate. A trimming block is arranged on one supporting plate through a connecting structure; a confocal microscope is further arranged on the next adjacent supporting plate in the clockwise direction of the center plate; a detection probe is further arranged on the next adjacent supporting plate in the anticlockwise direction of the center plate, and a spherical probe head is further arranged at the front end of the detection probe. Through data fusion of a traditional detection probe and an optical sensor, high efficiency of an optical method can be utilized, high precision of critical dimensions can be guaranteed, and unmanned and self-adaptive finishing-measurement-compensation closed-loop control of precision machining is achieved.

The present application relates to the technical field of aero-engine, in particular to a high-precision turbine disc mortise and tenon groove gauge bar distance detection device and method. The high-precision turbine disc mortise and tenon groove gauge bar distance detection device comprises a mortise and tenon groove gauge bar distance measuring tool body, a transmission rod, a surface pressure block, a spring, a micrometer, a detection lever, a conical expansion block, a spherical measuring slide head and a guide block. The high-precision turbine disc mortise and tenon groove gauge bar distance detection method is to obtain the actual measurement value of the turbine disc mortise and tenon groove gauge bar distance by detecting the turbine disc mortise and tenon groove and the standard part respectively. Compared with the prior art, the present application uses the slider conical expansion and lever principle to design a special mortise and tenon groove gauge bar distance detection device, and a spherical probe is used to simulate the gauge bar. Then a standard part is designed, and the principle of comprehensive difference comparison detection is used to realize the rapid and high-precision detection of the mortise and tenon groove gauge bar distance.

The stomach and intestine pressure reducer comprises a stomach tube, a protection tube, an adapter, a connecting tube, a drainage bottle, a fixing base and a negative pressure controller, the protection tube and the stomach tube are of an integrated structure, the protection tube comprises an inner tube, an outer tube, a separation net and a reset spring, the inner tube is vertically through and communicated with the stomach tube, and the outer tube is communicated with the stomach tube. The separation net is located at the position, communicated with the stomach tube, in the inner tube, the inner tube is sleeved with the reset spring, the top end of the inner tube is sleeved with the outer tube, the bottom of the outer tube is connected with the reset spring, the stomach tube comprises a tube body and a spherical probe, and the tube body and the spherical probe are of an integrated structure. The non-spherical probe end is fixed to a bottle plug of the drainage bottle through the adapter, one end of the connecting pipe is fixed to the bottle plug, the other end of the connecting pipe is fixedly connected to the negative pressure controller, and the negative pressure controller and the drainage bottle are both fixed to the fixing base. The stomach and intestine decompression device is small in size and soft in material, thereby being suitable for solving the stomach and intestine decompression problem of newborns.

The utility model relates to the field of probe stabilization, and discloses an unmanned aerial vehicle aeromagnetic spherical probe stabilizing device. A placement frame is movably connected to the inner surface of the fixing frame, an anti-falling frame is welded to the upper surface of the fixing frame, an outer reference block is welded to the upper surface of the anti-falling frame, an inner reference block is welded to the upper surface, corresponding to the outer reference block, of the placement frame, a long screw is movably inserted into the inner surface of the inner reference block, and a nut penetrating through the outer reference block is arranged on the outer surface of the long screw. The device is composed of a fixing frame and a placing frame, when the unmanned aerial vehicle moves and shakes, gravity below the placing frame enables a probe to only work vertically, an opening is formed in one side of the placing frame, probe installation of a camera is facilitated, an outer reference block and an inner reference block correspond to each other, the placing frame can rotate by 90 degrees, and the position of the opening is adjusted. Long screws penetrate through the outer reference blocks and the inner reference blocks and then are fixed through nuts, the fixing frame and the containing frame can form a whole, and the fixing frame and the containing frame can conveniently move together with the whole unmanned aerial vehicle.