20 results about "Dual probe" patented technology

The invention provides a double-probe zero-value insulation identification method considering an insulator surface wetting state, and relates to the technical field of power transmission line state detection. The method comprises the steps that S1, two electric field probes are arranged on the surface of an umbrella skirt of an insulator at intervals in the axial direction, and the electric field intensities output by the two electric field probes are marked as E1 and E2 respectively; s2, calculating a deviation rate eta based on the electric field intensities output by the two electric field probes; s3, detecting a surface wetting index W of the insulator; s4, correcting the surface wetting index W to obtain a correction coefficient Kwet; s5, modifying the criterion of the zero value state into eta < lt >; and the zero value state is recognized according to the set threshold value Eta0. Kwet, and Eta0 is a fixed threshold value. According to the method, the accuracy of insulator zero value state recognition can be kept in multiple environment scenes such as rain, fog and moisture, and high robustness and high adaptability are improved for intelligent routing inspection and zero value defect recognition of a power transmission line.

The invention discloses a double-probe electromagnetic logging system which comprises a measuring module, the measuring module is connected with a decoding module, and the decoding module is electrically connected with a computer. The measuring module comprises a shell, the shell is of a hollow cylinder structure, a front end electromagnetic probe, a plurality of side end electromagnetic probes, a time sequence control module and a coding output module are sequentially arranged in the shell in the axial direction, and the coding output module is electrically connected with the decoding module. The invention further discloses a double-probe electromagnetic logging method, which comprises the following steps of: acquiring the diameter of the casing, and setting a transmitting signal voltage; putting the measurement module into a well to obtain a side end sampling signal and a front end sampling signal; when the front-end electromagnetic probe or the side-end electromagnetic probe detects a target, the lowering speed of the measurement module is slowed down; and the computer draws an underground image, and after drawing is completed, well logging is completed. The double-probe electromagnetic well logging system can rapidly and accurately detect the depth position of a metal falling object in a well in different underground environments, so that support is provided for subsequent rapid fishing.

The invention provides a control method and device for double-probe measurement of a double-spindle machine tool and electronic equipment. The method comprises the steps that initial coordinate information of a first probe and initial coordinate information of a second probe are obtained; the first probe and the second probe are controlled to move in the preset machining coordinate system, so that the coordinate information of the first probe is first coordinate information, the coordinate information of the second probe is second coordinate information, and the clamp is controlled to move to the first position in the preset machining coordinate system in the third direction; the first probe is controlled to move by a first preset distance in the direction opposite to the second direction with the first coordinate information as the starting point, and meanwhile the second probe is controlled to move by the first preset distance in the direction opposite to the second direction with the second coordinate information as the starting point; in the moving process, whether the first probe and the second probe make contact with the preset workpiece or not is judged, under the condition that it is determined that the first probe and the second probe make contact with the preset workpiece, measurement execution is completed, and the problem that in the prior art, a double-spindle machine tool is difficult to efficiently measure the workpiece is solved.

The application discloses a kind of automatic imaging detection device and method of clutch type disc piece ultrasonic phased array, belong to nondestructive testing technical field, including ultrasonic detector, motion control device, computer and support frame, two sliding grooves are opened in support frame, probe is arranged on support frame, two sets of clamping mechanisms are arranged on support frame, two sets of clamping mechanisms are connected with probe, the disc piece of being examined is arranged on support frame, semicircular recess is opened in support frame, vertical design is adopted in the application, effectively applicable to double-probe one sends one receives detection scheme, while fully considering the characteristics of ultrasonic phased array detection technology, meet the high-sensitivity ultrasonic detection demand of welded integral blisk weld area, the method has achieved good effect in actual detection work, and ultrasonic phased array rapid imaging detection of integral blisk weld area can be realized.

The invention relates to the technical field of laser positioning, and discloses a double-probe four-laser-beam focus positioning device which comprises a main body, a movement mechanism and a pushing mechanism. The outer surface of the movement mechanism and the inner wall of the body are slidably arranged. When the second rotating plate rotates, the second reflecting plate connected with the second rotating plate can be driven to rotate, and when the second reflecting plate rotates, the angle can be adjusted so that laser can be ejected to the inner wall of the other second reflecting plate; the worker repeats the operation to rotate the second reflecting plate II, so that the laser falling on the inner wall of the reflecting plate II is guided by the angle to fall on the convex mirror and is focused with the other laser to form a point; the situation that laser cannot be focused into a point for positioning due to slight dislocation of the laser head and the convex lens which are in butt joint when the main body moves is avoided, the stability of the device during operation is ensured, and the positioning accuracy of the device through double probes and four laser beam focuses is improved.

The utility model is applicable to the technical field of measurement, and provides a double-probe temperature sensor with a rotary limiting structure, which comprises an equipment main body, the equipment main body comprises a protective tube, sleeves and sensor probes, a pair of sleeves are respectively inserted into two end parts of the protective tube, the sensor probes are provided with limiting grooves, the sleeves are provided with limiting blocks, and the limiting blocks are arranged in the limiting grooves. The outer wall of the sensor probe is provided with limiting plates; the fixing assembly is connected to the sleeve and the sensor probe; according to the utility model, a worker inserts the sensor probe into the upper end part of the sleeve and rotates the sensor probe to ensure that the limiting block is arranged in the limiting groove, and at the moment, the limiting plate on the sensor probe is arranged on the upper end surface of the sleeve; by arranging the limiting block and the limiting plate, the situation that wires in the sensor probe are damaged or connection is loosened due to the fact that the sensor probe is excessively rotated in the installation or maintenance process is avoided, and meanwhile it is ensured that the sensor probe is kept at the fixed position in the sleeve.

This invention relates to a dual-probe switching control system for a coordinate measuring machine (CMM), comprising: a host computer; and a signal switching device having a serial port interface, a power interface, and multiple sets of relay output interfaces. During probe switching, the host computer sends a probe switching signal to the serial port interface, causing one of the normally closed and normally open output interfaces to output a signal to switch to the probe using the corresponding output interface, and sends a signal back to the host computer indicating successful probe switching. The system also sets parameters for the successfully switched probe and receives measurement signals from the host computer. During measurement using the switched probe, the host computer monitors the heartbeat communication signal between the control cabinet and the signal switching device in real time. This invention enables reliable switching between dual probes and ensures reliable operation of the switched probes.

The intelligent shower head with the water consumption monitoring function comprises a shower head body, a microcircuit main board module and a probe module, the microcircuit main board module is arranged on one side of the shower head body, and the probe module is in wired connection with the microcircuit main board module; the probe module comprises a first probe and a second probe, the first probe and the second probe are arranged in an internal pipeline of the shower head body, and a set distance is formed between the first probe and the second probe in the pipeline direction. According to the water flow monitoring device matched with the shower head, water flow monitoring is directly carried out at the position of the shower head, additional construction and installation of a flow meter are not needed, the use and installation cost of a user is greatly reduced, and water consumption monitoring accurate to a single time and rapid data acquisition of the user can be achieved through flow speed and time monitoring of the double probes in the shower head.

The invention discloses an oil water content detection device with double-probe self-cleaning capability, and relates to the field of oil quality detection, the oil water content detection device adopts a double-probe structure and carries a probe self-cleaning device, a main control module carries out water content detection based on two different types of probes respectively, and the water content detection accuracy is improved. And calculating a difference index for the two obtained water content predicted values to judge the pollution state of the probe, discarding the water content predicted values and triggering self-cleaning of the probe when the pollution risk of the probe is relatively large, and performing data fusion on the two groups of water content predicted values to obtain a final result when the state of the probe returns to normal. The method has the complementary advantages of sensitivity of microwave detection to dielectric property change of an oil-water mixture and sensitivity of near-infrared detection to specific functional groups of water molecules, can effectively improve the detection precision and stability under the condition of low water content, and improves the sensitivity and anti-interference capability of detection of the water content in oil; the device is suitable for on-line monitoring of oil field pipelines, storage tanks and refining devices.

The invention discloses a double-loop chemical waste gas detection device, relates to the technical field of chemical waste gas detection, and solves the problems of tedious switching, detection distortion and poor sealing performance of an existing device. The device comprises a first mounting pipe connected with a chemical waste gas pipeline, a second mounting pipe connected with a purified gas exhaust pipeline and a detection mechanism, the detection mechanism is synchronously driven through a first pneumatic assembly and a second pneumatic assembly, rapid switching between original waste gas and purified gas is achieved, and residual gas can be thoroughly exhausted during switching; the detection assembly adopts a double-probe alternate telescopic design and is matched with filter element pretreatment, so that pollution is avoided; the shell and the end cover are in sealing connection through a flange, key parts are coated with sealing wax, and a one-way air valve is used for assistance, so that multiple sealing is formed; purified gas can be flexibly selected to flow back or be discharged through the three-way reversing valve. The chemical waste gas detection device is efficient in switching, accurate in detection, good in sealing performance, excellent in environmental protection performance, capable of achieving continuous and stable detection before and after chemical waste gas treatment and suitable for various chemical production scenes.

The application discloses a heat treatment hardened layer thickness detection method, device, equipment, medium and product, relates to the engineering nondestructive testing technical field, and the method comprises the following steps: gradually increasing the probe spacing, and monitoring the waveform characteristics of the reflected signal, taking the distortion of the reflected signal as the basis, determining the corresponding probe spacing interval; the probe spacing interval is refined by dichotomy to obtain the probe spacing interval mean; the first peak position time of the direct signal and the second peak position time of the reflected signal are obtained when the probe spacing is in the probe spacing interval mean; the heat treatment hardened layer thickness is determined based on a specific angle, the first peak position time, the second peak position time, the probe spacing interval mean and the sound velocity; the double-probe arrangement mode of one transmitting and one receiving is combined with the ultrasonic diffraction time difference method, the sound path difference between the surface direct signal and the reflected signal is analyzed to calculate the thickness, the technical limitation of the traditional single probe is got rid of, and the application range of the nondestructive testing is improved.

A dual probe card reader system accommodates Europay®, Mastercard®, and Visa® (EMV) cards in multiple orientations while retaining existing card reader footprints. The system includes a mechanism with two probes positioned to connect with EMV chips in different orientations when cards are facing up. The dual probe mechanism retains other existing card reader parts, enabling detection of EMV chips through either probe position. The system includes an updated probe printed circuit board and modified probe schematics to support both EMV positions. This technique provides enhanced compatibility with chip-based cards while minimizing replacement of existing card reader infrastructure through reuse of current device footprints.

The utility model belongs to the technical field of vortex shedding flowmeters, and particularly relates to a double-probe vortex shedding flowmeter which comprises a measuring tube, flanges are fixedly connected to the two ends of the measuring tube, first connecting seats are fixedly connected to the top and the bottom of a probe fixing seat, and connecting wires are fixedly connected to the end of a first probe and the end of a second probe. Limiting frames are clamped outside the probe fixing seat, limiting rods are in threaded connection with the outer portions of the two-way threaded rods, second limiting columns are fixedly connected to the opposite faces of the two limiting rods, and limiting grooves are formed in the ends of the limiting rods. By arranging the first probe, the second probe, the limiting frame, the two-way threaded rod, the second limiting column and the clamping groove, it can be avoided that due to corrosion of a connector, the overhaul difficulty of the flowmeter is increased; and by arranging the first limiting column and the inserting groove, the limiting rod can move stably, and then the clamping block is inserted into the inserting groove, so that the flowmeter display can be mounted and dismounted.

This invention discloses an online replacement method for a conductive dual-probe vortex flowmeter, belonging to the technical field of vortex flowmeters. It includes a measuring tube body for mounting the vortex flowmeter, with reduced-diameter pipes at both ends. An installation end seat is mounted on the other end of each reduced-diameter pipe. Adjacent installation end seats are connected by auxiliary branches on both sides. An internal closing valve control is installed on each installation end seat to control the opening and closing of the auxiliary branches. By setting up bypass auxiliary branches and a joint control opening and closing mechanism, this invention automatically switches the flow path to the auxiliary branch when replacing the core components of the flowmeter, ensuring uninterrupted fluid delivery in the main pipeline and greatly improving the system's continuous operation capability. Furthermore, unlike traditional integrated reduced-diameter designs that require replacing both the front and rear reduced-diameter / expanded-diameter pipes, this solution adopts a modular design, requiring only the disassembly and reassembly of the flowmeter core body during replacement, while retaining the original reduced-diameter pipes and straight pipe sections. This significantly reduces replacement costs and the need for subsequent flow field recalibration.

The utility model discloses a support device shared by eddy current and photoelectric detection double probes. The support device comprises a preset base rod, a connecting frame, an adjusting structure and a supporting structure. The preset base rod serves as a supporting foundation, the connecting frame can slide on the base rod, and the adjusting structure and the supporting structure are connected through the first connecting sleeve and the second connecting sleeve respectively. The adjusting structure is composed of a longitudinal adjusting plate, an arc-shaped angle adjusting plate, an extending sliding plate and the like and is matched with a track plate to achieve multi-dimensional adjustment, and a transverse adjusting plate is connected with a supporting structure main rod through an electric protection hose. Adjusting rods of the supporting structure are connected in a hinged mode, angle locking is achieved through a locking pin, and the tightness degree between the adjusting rods and the supporting structure is controlled through a locking piece device. All parts of the device work cooperatively, and the problems that an existing support device is poor in installation adaptability, inflexible in adjustment and insufficient in stability are solved. Aluminum alloy or carbon steel can be selected as a preset base rod material to adapt to various scenes such as a machine tool and a production line.

The utility model discloses a double probe temperature sensor, including temperature sensor main part, the bottom of temperature sensor main part is provided with two wiring port, the inside plug connection of wiring port has detection probe, the upper surface plug connection of detection probe has reinforcing institution, the upper surface of wiring port and detection probe all is provided with positioning hole. This double probe temperature sensor, through the setting of reinforcing institution, when using, respectively with left half arc and right half arc lap joint in detection probe surface, make left half arc and right half arc inside setting antiskid pad close its surface, utilize the positioning bolt again and fix left half arc and right half arc well, cooperate the support provided by the two reinforcing rods of one side setting, effectively enhanced the overall structural strength of detection probe, prevent its deflection or deformation in the installation or use process, thereby ensure that detection probe is always in stable vertical state, guarantee the accuracy and reliability of measurement.

The invention provides a single-vessel ultrasonic blood perfusion imaging method and system based on double probes, and the method comprises the steps: injecting a nano-droplet contrast agent into a tested vein or artery, the nano-droplet contrast agent being in a non-activated liquid phase state in a blood vessel; selecting a focus point in the upstream blood vessel A1 as a mark point X of a single upstream artery blood vessel by a user in a man-machine interaction mode; the first probe carries out time-sharing ultrasonic imaging and ultrasonic focusing on the upstream blood vessel A1 and the mark point X through a self-defined ultrasonic sequence, and the ultrasonic focusing activates the liquid-phase nano-droplet contrast agent at the mark point X into gas-phase microbubbles; and then the second probe obtains an ultrasonic video V of the downstream blood perfusion imaging area A2, namely downstream blood perfusion imaging of the marked blood vessel A1. According to the method, the strategy of'division and treatment 'is adopted, blood vessel marking and perfusion imaging tasks are distributed to the double probes respectively, the spatial range and flexibility of blood vessel marking and perfusion imaging are remarkably improved through cooperation, and perfusion analysis of specific blood vessels is better facilitated.

Provided herein are dual probe assays for detecting mutations in amplified target nucleic acids, e.g., for detecting single point mutations associated with drug resistance.

This utility model discloses a replaceable conductive dual-probe vortex flow meter, belonging to the field of fluid measurement. It includes a meter body with a first piezoelectric sensor module connected through-to the side. The first piezoelectric sensor module includes a cross-shaped tooth. A pressure relief protective sleeve and a screw are sequentially fixedly connected along the axis from the outside to the inside of the cross-shaped tooth. A retaining tooth and a sensor are sequentially fixedly connected along the axis from the outside to the inside of the screw. A threaded sleeve is threadedly connected to the outside of the screw. A torque disk is rotatably connected to the bottom of the threaded sleeve. A spring is fitted around the outside of the torque disk. A sealing door is fixedly connected to the bottom of the torque disk. A sealing chamber is rotatably connected to the bottom of the sealing door via a rotating shaft. This utility model, through its integrated parallel sensor cavity structure with dual isolation valves, enables pressurized online replacement and maintenance of the piezoelectric sensor without affecting the main pipeline's process fluid transport, ensuring continuous system operation and high availability for measurement.

A planar dual-probe microstrip transition includes an input element connectable to a source of electrical energy and a base member connected to the input element. The base member includes a first end, a second end, and an intermediate portion. A first probe member extends from the base member. A second probe member extends from the base member substantially parallel relative to and spaced from the first probe member. A tuning member extends from the first probe member toward the second probe member. The tuning member establishes a phase difference between electrical energy flowing through the first probe member and electrical energy flowing through the second probe member.