13results about How to "Simple detection structure" patented technology

The invention discloses a waterproof coiled material detection device and method, and relates to the technical field of detection devices.The detection structure comprises an extrusion structure and a smearing structure, the extrusion structure stores detection liquid and squeezes the detection liquid into the smearing structure, a coiled material is pressed on the surface of the smearing structure, and the coiled material drives the smearing structure to rotate in the conveying process; the detection liquid is smeared on the surface of the coiled material; the tensioning structure comprises a clamping structure and an angle driving structure, the clamping structure is regulated and controlled by the angle driving structure to adjust the position of the smearing structure, the whole detection process is highly automatic, manual intervention is not needed from unwinding of the coiled material, smearing of the color developing agent and the decolorizing agent to winding, and the production efficiency and the detection speed are improved. By means of the tensioning structure, it is ensured that the position of the coiled material is accurate in the conveying process, deviation is avoided, the detection precision is improved, and the device is suitable for waterproof coiled materials of different types and thicknesses and has wide applicability and efficient detection capacity.

The invention relates to the technical field of hydraulic detection, in particular to a hydraulic detection device and method for a medical oral irrigator, and the device comprises an operation handle, one end of the operation handle is provided with a detection cylinder, and the received water flow can flow out from the detection cylinder; the two rotating parts are arranged in the detection cylinder and are distributed along the axial direction of the detection cylinder, and the axis of each rotating part is coaxial with the axis of the detection cylinder; a first through hole is formed in the center of each rotating part, a guide groove is formed in the side wall of each first through hole, and an included angle is formed between each guide groove and the axis of the detection cylinder; a metal piece is further arranged on the outer side wall of each rotating piece; the two Hall detection elements are fixedly arranged on the outer side of the detection cylinder and correspond to the outer side walls of the two rotating parts respectively; the end cover is mounted on the detection cylinder and is used for blocking the detection cylinder; second through holes are formed in the centers of the end covers; and the nozzle is arranged on the end cover and is communicated with the second through hole. According to the invention, the flushing pressure of the oral irrigator can be effectively detected.

The utility model discloses a double-sided detection platform. The double-sided detection platform comprises a base, a conveying platform and two groups of image acquisition modules, the conveying platform is used for conveying the detection piece in the transverse direction of the base; the two image collection modules are movably arranged on the base and located on the upper side and the lower side of the conveying platform respectively, each image collection module comprises a light supplementing piece, and the light supplementing pieces move along the base to form a light supplementing area in the area covered by light rays of the light supplementing pieces; the thickness of the portion, located in the light supplementing area, of the conveying platform is smaller than the thickness of the other positions of the conveying platform. According to the technical scheme provided by the utility model, the light supplementing lamp can better irradiate each position of the detection piece, the image acquired by the image acquisition module can be clearer, each position of the detection piece can be detected, and the detection result is more reliable, so that the quality of a finished product is better.

The application discloses a detection system and method with an anti-vibration and sensitivity-enhanced gas photoacoustic in-situ detection mechanism, which comprises an excitation light source and a collimating assembly, a photoacoustic cell and a signal processing unit. The laser emitted by the excitation light source and the collimating assembly is arranged along the central axis of the photoacoustic cell. A plurality of groups of microphones are arranged on the central section of the photoacoustic cell. Each group of microphones comprises two microphones symmetrically arranged on the left and right sides or the upper and lower sides of the central section of the photoacoustic cell. The signal processing unit receives the signals of each microphone, processes the signals, and the central section of the photoacoustic cell is a section perpendicular to the axial direction of the photoacoustic cell and located in the middle of the photoacoustic cell. The excitation light source and the collimating assembly emit laser, the signal processing unit collects and processes the signals of the plurality of groups of microphones, and the concentration of the dissolved gas in the oil circuit is obtained according to the corresponding matching relationship between the signal processing result of the signal processing unit and the gas concentration.

The invention belongs to the field of optoelectronic devices, and particularly relates to a linear polarization direction identification method and a photoelectric detector, and the method comprises the steps: to-be-detected linear polarization light is emitted to a nanosheet structure formed by sequentially stacking a first 1T 'MoTe2 nanosheet, a MoS2 nanosheet and a second 1T' MoTe2 nanosheet, and the three layers of nanosheets are partially overlapped; an electrode is arranged on each of the two 1T 'MoTe2 nanosheets; two electrodes are arranged on the MoS2 nanosheet; the included angle between the molybdenum chain directions of the two 1T 'MoTe2 nanosheets is not 0 degree and 90 degrees, the vertically stacked 1T' MoTe2 / MoS2 / 1T 'MoTe2 heterojunctions are used, the polarization sensitivity of the 1T' MoTe2 is utilized, two bias voltages in opposite directions are applied, the voltage is applied and the current is collected by the electrodes, and the polarization direction of incident polarized light is deduced. The on-chip integrated polarization angle identification can be realized.

A cable harness with a pulling detection function comprises: a cable harness, a harness connector and a pulling detection module; the harness fixture is used to fix the cable harness; the cable harness passes through a left fixing plug, a left harness fixture, a right harness fixture and a right fixing plug in sequence, and is slidably connected to the harness sleeve through the harness fixture; the pulling detection module is passed through the middle of the harness sleeve, and the pulling detection module is used to press the cable harness and press the cable harness against the inner wall of the harness sleeve; the pulling force is measured by detecting the tension of the cable harness. The pulling force detection function can ensure that the cable harness does not exceed the threshold when being pulled by an external force, thereby ensuring the stability and safety of the electrical connection.

The present invention relates to the field of connecting wire technology, and in particular to a detection connecting wire and a method for making the same, wherein a plurality of detection modules are provided, each detection module detects a battery module respectively, a connecting piece is connected to a detection end of the battery module, a first conductor is connected to an external detection device, and the first conductor is connected to the connecting piece through a detection member, so as to form a detection loop from the battery module to the detection device, thereby being able to detect the working state of the battery module in real time. The detection connecting wire of the present invention realizes the detection of the battery module through the first conductor, has a simple structure, is easy to manufacture, and realizes the detection connection structure of the battery module in the form of a connecting wire, so that the detection structure of the electronic paper module becomes simpler and smaller in size, and also helps to reduce the detection cost.

The invention relates to the technical field of concrete water seepage detection, in particular to a concrete impermeability detection system and a transformation method of a traditional impermeability detection system. According to the concrete impermeability detection system provided by the invention, an effective detection part is added on the basis of a traditional impermeability detection system and is used for detecting components in a water seepage body. Therefore, the water seepage path of the input high-pressure water can be obtained according to the detection result of the water seepage body only by adding the macromolecular anti-seepage reagent which cannot be filtered out by the qualified concrete test piece into the input high-pressure water. Therefore, impermeability detection is carried out in combination with the filtering characteristic of the concrete, and a water seepage path is further detected after water seepage, so that the situation that the concrete is unqualified due to water seepage misjudgment caused by a detection system is eliminated.

The invention discloses an automatic leak detection device for an air supply outlet of a clean room filter, and the device comprises a supporting vertical rod and a combination joint, the center of the top surface of the supporting vertical rod is fixedly provided with the combination joint, the outer surface of the supporting vertical rod is provided with a combination square block, and the center of the combination square block is embedded with a magnetic attraction block. A limiting circular ring sleeve is installed on the outer side of the bottom end of the supporting vertical rod in a sleeving mode, and a wind power detection sealing cover is installed above the supporting vertical rod. According to the automatic leak detection device for the air supply outlet of the clean room filter, zoning is carried out through a storage bin and a zoning barrier plate which are arranged in a wind power detection sealing cover, and air in different areas enters a wind power detection air bag through an air inlet hole groove and a ventilation sleeve to carry out inflation work subsequently according to exhaust of the air supply outlet of the clean room filter; operators can judge the general wind power condition of the air supply outlet of the clean room filter in the area through the expansion diameter of the wind power detection air bag, the detection structure is simple, and energy drive is not needed.

This invention discloses an internal inspection device, system, and method for pipeline defects in ferromagnetic fluid pipelines, particularly relating to the field of defect detection. The method includes: a fixed assembly, multiple permanent magnet assemblies, and multiple arrayed ferromagnetic conductor detection assemblies. The permanent magnet assemblies are uniformly arranged circumferentially on the outer wall of the fixed assembly, with the south pole of each permanent magnet assembly facing the fixed assembly. The arrayed ferromagnetic conductor detection assemblies are installed at the north pole of each permanent magnet assembly. Each arrayed ferromagnetic conductor detection assembly includes multiple ferromagnetic fluid detection units, each ferromagnetic fluid detection unit comprising an upper electrode plate, a ferromagnetic fluid pore, and a lower electrode plate. The ferromagnetic fluid pore is positioned between the upper and lower electrode plates and is sealed and filled with ferromagnetic fluid. This invention can improve the accuracy of pipeline defect detection.

The steam pipeline safety alarm device comprises a pressure detection unit, a pipeline deformation detection unit and a data processing and transmission unit, the pressure detection unit comprises a lower valve body, an upper valve body, a central pressure transmission unit and a pressure detection unit, a valve chamber is arranged in the center of the lower valve body, the upper valve body is arranged above the lower valve body, and the pressure detection unit is arranged above the upper valve body. The central pressure transmitting unit is fixed to an opening of the upper valve body, a pressure detecting unit is arranged on the top face of the central pressure transmitting unit, and the top face of the pressure detecting unit is fixedly connected with the top face of the inner side of the lower valve body. According to the steam pipeline safety alarm device provided by the utility model, the pressure sensor is adopted as a core detection unit, the related detection structure is relatively simple, the product purchase cost and the maintenance cost are relatively controllable, and the realization of product popularization is facilitated; and meanwhile, the pressure sensor can conveniently realize real-time measurement of data and electronic acquisition of the data, so that real-time online detection of the steam pipeline is realized.

The utility model discloses a packing material layer-to-layer composite strength detection tool, which comprises a box body, a box door, an electric heating tube, a temperature detection probe, a suspension rod, a bottom plate, a clamp and a suspension block, one end of the box door is rotatably matched with the box body, one end of the box door is detachably matched with the box body, and the other end of the box door is detachably matched with the suspension rod. The electric heating tube and the temperature detection probe are both arranged in the box body, the electric heating tube is located at the bottom of the box body, the temperature detection probe is located at the top of the box body, the suspension rod is arranged in the box body, the bottom plate is hung on the suspension rod, the clamp is arranged on the bottom plate, and the clamp is used for clamping a membrane. The suspension block is used for being in contact with a diaphragm, and scales are arranged on the bottom plate. The tool has the following beneficial effects that the composite strength between the films can be measured at different temperatures with different tensile forces, the detection structure is simple, and the measurement result is reliable.

The application provides a nucleic acid detection card box and a nucleic acid detection method, which comprise sample cavities, pipetting cavities and reagent cavities arranged at intervals along the length direction of the box body; a reaction tube provided with a reaction cavity; a control valve accommodated in a valve cavity and provided with a plurality of independent pipetting flow channels, the pipetting flow channels being used for connecting one of the sample cavities, the reagent cavities and the reaction cavity with the pipetting cavity; and a pipetting driving element arranged in the pipetting cavity and capable of ascending and descending in the pipetting cavity to form positive pressure or negative pressure in the pipetting cavity. The application integrates a plurality of pipetting flow channels in the control valve, simplifies the nucleic acid detection structure, does not need to arrange other flow channel structures, and can realize the change of the flow channel by driving the control valve to rotate, realizes the miniaturization of the nucleic acid detection card box, realizes liquid transfer and mixing by cooperating with the ascending and descending of the pipetting driving element, and can ensure that the nucleic acid detection card box always maintains a fully-closed detection state during the pipetting and mixing process.