14results about How to "Sensitive quickly" patented technology

The invention provides a preparation method of a high-sensitivity nanofiber composite slub core-spun yarn strain sensor, and belongs to the field of wearable flexible sensors. Comprising the following steps: S1, dissolving polyurethane in a solvent to prepare a spinning solution, preparing a nanofiber / traction filament composite yarn through an electrically-assisted core spinning technology, and endowing traction filaments with deformation by using a stretching device; s2, the composite yarn in the deformation state is placed in a conductive nanoparticle / polymer dilute solution to be soaked; s3, the impregnated composite yarn is impregnated in water, and a nanoparticle / polymer conductive layer is constructed on the surface of the composite yarn through non-solvent induced phase separation; s4, the stretching device is removed, heat treatment is conducted on the composite yarn, and the nanofiber composite slub core-spun yarn sensor is obtained. The sensor has a radial core-shell structure and an axial concave-convex structure, is high in sensitivity, has a stress detection limit as low as 0.01 N, and also has excellent mechanical properties.

This utility model relates to the field of sheet material conveying technology, and discloses a feeding and conveying device for a battery cell testing mechanism. It includes a frame, within which are two transfer mechanisms for adsorbing and transferring battery cells, and two loading modules for placing the battery cells. It also includes a conveying assembly for conveying the battery cells, with the transfer mechanisms located between the loading modules and the top of the conveying assembly. The conveying assembly includes a frame housed within the frame, a power source mounted on the frame, and two belt drive modules that jointly convey the battery cells. The two belt drive modules are coaxially driven by the same power source. Two sensing modules for sensing the battery cells are located between opposite sides of the two belt drive modules. This utility model, through a dual-station, single-path feeding and conveying method, ensures that the battery cells on the conveyor belt are always fully loaded, eliminating the need for the subsequent testing mechanism to wait for battery cell supply, thus meeting the requirements of continuous testing.

The utility model discloses a temperature detection power supply, and relates to the field of power supplies. The temperature detection power supply comprises a shell and a storage battery, the shell is fixedly arranged on the outer wall of the storage battery, and a detection assembly used for monitoring the temperature of the storage battery is arranged on the outer wall of the shell. According to the temperature detection power supply, the gap between the temperature sensing head and the storage battery is filled with the heat-conducting silicone grease, heat on the storage battery is directly conducted to the temperature sensing head, induction of the temperature sensing head to the temperature of the storage battery is enhanced, the temperature of the storage battery can be conveniently detected, the positioning block is inserted and clamped in the positioning opening, and the temperature of the storage battery can be conveniently detected. The temperature detector body can be conveniently limited on the shell by adjusting the positioning block outwards, the positioning block is separated from the positioning opening, the temperature detector body can be conveniently detached from the shell, operation is easy and fast, time spent on detachment and installation is conveniently shortened, and the working efficiency of maintenance personnel is improved.

The utility model provides an industrial combustible gas alarm controller, which relates to the technical field of gas alarm, and comprises a control box, one side of the control box is provided with a fixing plate, one side wall of the fixing plate is provided with four square grooves, the interior of the fixing plate is provided with square cavities on one sides of the square grooves, and the square cavities are communicated with the control box. The square cavities are communicated with the square grooves, embedded plates are embedded into the square grooves, clamping rods are embedded into the surfaces of the embedded plates in a sliding mode, moving plates are arranged in the square cavities, one side walls of the moving plates are fixedly connected with the clamping rods, and pull rods are fixedly connected to the positions, close to the centers, of the surfaces of the moving plates in a penetrating mode. The pull rod can be pulled through the pull disc, the pull rod moves to drive the movable plate to move, the movable plate moves to drive the clamping rod to be separated from the interior of the embedded plate, and the control box can be conveniently detached from the fixed plate, so that the effect that the control box is assembled and disassembled without screws at the moment can be achieved, and the effect that a screw hole and a wall body can be protected can be achieved.

The application discloses an artificial intelligence real-time microseismic monitoring node and relates to the technical field of earthquake detection.The stabilizing mechanism comprises a connecting cover, a dense shaft ring, a vertical connecting shaft line, a data processing cabin and an isolation groove ring.The connecting cover is slidably connected to the inner wall of the device cabin.The dense shaft ring is fixedly connected to the bottom of the connecting cover.The vertical connecting shaft line is fixedly connected to the inner wall of the dense shaft ring.The data processing cabin is fixedly connected to the bottom of the vertical connecting shaft line.In the application, multiple flexible connecting lines pull the data processing cabin from the side to comprehensively fix the data processing cabin, avoid the direct contact between the data processing cabin and the inner wall of the device cabin, and thus affect the collection and overall planning accuracy of the data processing cabin.

The invention discloses a frequency conversion signal-based direct current system fault detection device and a detection method thereof. The device comprises a signal source module, a mobile fault detection module and a split core type current transformer module. The detection method comprises the following steps: acquiring bus-to-ground waveform amplitude data of the direct current system and ground insulation state data of the direct current system; acquiring a variable-frequency current characteristic signal of the direct-current system; and judging according to the bus-to-ground waveform amplitude data of the direct current system, the ground insulation state data of the direct current system and the variable frequency current characteristic signal of the direct current system to obtain a ground fault judgment result of the direct current system. According to the embodiment of the invention, the induction of feeder characteristic signals can be improved, the influence of interference signals can be reduced, and more accurate DC system grounding fault detection and positioning can be realized. The method can be widely applied to the technical field of direct-current grounding fault searching.

The application discloses a slitting device with dust removal function, which comprises a machine body, a water spraying module, a slitting module and a dust removal module. The machine body is divided into upper and lower shells, and four guide wheels are arranged under the shells. The water spraying module is arranged at the front end of the machine body, a water tank is connected with a water guide pipe through a water pump, the slitting module is connected with a spring suspension at the middle part of the machine body, an oil return system is fixed on the outer wall of the suspension through a platform, an oil pump is connected with an oil tank and a reversing valve, the reversing valve is arranged at the bottom of the platform, the reversing valve is connected with an oil return cylinder and fixed on the side of the platform, the oil return cylinder is connected with the spring suspension, the two oil return cylinders of the oil return system are connected with each other, the oil return cylinder is connected with a clutch, the clutch is connected with an input and output shaft, centrifugal blocks are arranged on the output shaft, the input and output shafts are connected through bevel gears, and a belt drive is arranged between the engine and the bevel gears. The dust removal module is arranged at the end of the machine body, the engine is connected with dust removal blades of the dust removal module through a belt drive, the dust removal blades are fixed in a dust removal tank, and a filter screen is arranged on the dust removal port.

The invention discloses a graphene flexible gradient pressure sensor array system and a preparation method thereof, and belongs to the field of pressure sensors. The graphene flexible gradient pressure sensor array system comprises an array circuit board, and a transverse array unit circuit, a longitudinal array unit circuit, a graphene flexible gradient pressure sensing unit and a graphene flexible gradient pressure sensitive element which are arranged on the array circuit board. The two graphene flexible gradient pressure sensing elements are perpendicular to each other and are arranged in a cross shape, and the two graphene flexible gradient pressure sensing elements and the four electrodes are combined to form a graphene flexible gradient pressure sensing unit. The graphene flexible gradient pressure sensing unit is pressed to generate electric signal change, and the electric signal change is converted into a pressure value through the signal acquisition and processing system. According to the preparation method, a lamination and superposition method is adopted, and graphene is sequentially laminated from bottom to top according to the stepped content from small to large. Therefore, the tensile property of the bottom polymer is relatively optimal, and the rigidity to the top material is also continuously enhanced.

The utility model relates to a touch type gear shifter (100). The touch type gear shifter (100) comprises a gear shifter base part (110); a touch panel (120), which is attached to the shifter base (110), and which comprises a touch area (121) for a user to touch and press; two pressure sensors (130), wherein the pressure sensors (130) are respectively used for sensing the pressure values of two different pressure sensing point positions (122) on the touch panel (120); and a capacitance film (140), the capacitance film (140) is installed on the touch panel (120), and the capacitance film (140) can reflect the capacitance change when a user touches and presses different positions of the touch area (121). According to the touch type gear shifter, touch pressing sensing of a user is more accurate, recognition is simpler, and therefore the touch type gear shifter is beneficial to meeting more movement working conditions of an automobile.

The utility model discloses a knitting machine broken line protection device which comprises a knitting machine body, a wire coil is arranged on the upper surface of the knitting machine body, the knitting machine further comprises a winding reel, the winding reel is installed on the upper surface of a groove of the knitting machine body, and a knitting line is installed outside the winding reel in a winding mode. The knitting machine comprises a knitting machine body, the upper surface of a groove of the knitting machine body is provided with a broken line prompting structure, the broken line prompting structure can control a warning indicator to be started when a line is broken, the broken line prompting structure comprises a guide ring, the guide ring is fixedly installed on the side surface of the upper end of a winding reel, and one side of the lower end of the guide ring is provided with a line leading roller. And the upper part of the lead roller corresponds to the lower surface of a limiting block. According to the knitting machine wire breakage protection device, the infrared sensor can detect wire breakage through the wire breakage prompting structure and then control the warning indicator to be started, and the magnetic line plate can control the rotating plate to drive the clamping block to clamp the winding reel through the wire breakage clamping structure, so that the winding reel stops rotating.

The utility model discloses a production device for syrup, and belongs to the technical field of syrup production equipment. Which comprises a bottom conveying belt and is characterized in that auxiliary conveying structures are arranged on the left side and the right side of the bottom conveying belt correspondingly, each auxiliary conveying structure comprises a mounting plate, first feeding rollers are arranged on the two sides of the top of each mounting plate correspondingly, and a conveying belt is connected between the two first feeding rollers in a sleeved mode; the through groove is formed between the two adjacent conveying belts, the label paper ring is arranged in the through groove, and due to the fact that the thickness of the conveying belts is small, when one side of the conveying belts is stained with liquid, the label paper ring can be wetted inwards through the through groove, the color of the label paper ring can be rapidly changed, and RGB digital optical fiber sensors arranged at the two ends of the inner ring are matched. Different colors can be quickly sensed, so that judgment is made, whether front-end filling leaks liquid or not is detected, and personnel can be quickly provided for overhauling.

This invention discloses a temperature sensor for a steam oven and its processing system, comprising an aluminum sensing element. A silicone sealant is fixedly connected to the left side of the aluminum sensing element, and an aluminum screw is threadedly connected to the right side of the aluminum sensing element. The aluminum screw has a T-shaped vertical cross-section and a through hole. A ceramic cap is housed inside the aluminum sensing element, and the ceramic cap is elastically connected to the adjacent side of the aluminum screw via a connecting spring. The left side of the ceramic cap extends into the silicone sealant, and a ceramic baffle is located inside the ceramic cap. Two resistance strips are fixedly connected to the right side of the ceramic baffle, and the right sides of the two resistance strips extend through the through hole to the outside and are fixedly connected to a connector. This temperature sensor senses temperature faster and has better heat dissipation, enabling faster reuse. Furthermore, the processing system allows for automatic and rapid processing of the aluminum screw on the sensor, thus meeting the quantity requirements during overall assembly.

The invention relates to the technical field of liquid-cooled cabinets, and discloses a liquid-cooled cabinet capable of avoiding coolant leakage, which comprises a cooling box and a cabinet, the bottom of the cabinet is fixedly connected to the top of the cooling box, a water pump is fixedly connected in the cabinet, the bottom of the water pump is fixedly communicated with a water pumping pipe, and the top of the water pump is fixedly communicated with a fixed cooling pipe. A circulating cooling pipe is detachably installed in the cabinet, a sealing effect between a fixed cooling pipe and an installation cooling pipe can be achieved through a sealing assembly, and the sealing effect between the fixed cooling pipe and the installation cooling pipe can be further improved through a multi-layer sealing effect; the sealing assemblies can be tightly fixed to the outer wall of the fixed cooling pipe and the outer wall of the installation cooling pipe through the fastening assemblies, the situation that connection between the sealing assemblies is not tight is avoided, and meanwhile the protection effect is improved while the connection position of the fixed cooling pipe and the installation cooling pipe is further sealed through the first protection shell and the second protection shell.

The application discloses a static adsorption type plastic and metal solid waste grading separation device, and relates to the technical field of solid waste separation.The device comprises a grading box, a first fixed plate is fixedly connected to the bottom end of the grading box, a spring is fixedly connected to the bottom outer wall of the first fixed plate, a table plate is fixedly connected to the end of the spring away from the first fixed plate, a suction box and a support frame are fixedly connected to the bottom of the table plate; a grading screening assembly is arranged in the grading box; a dust collection assembly for adsorbing metal particles and a discharge assembly for releasing voltage are arranged in the suction box.In the application, the grading separation mode of "grading screening combined with large-particle-size air separation and small-and-medium-particle-size static adsorption" is adopted, so that efficient separation of solid wastes with different particle sizes and different materials is realized, and the structure linkage design of screening, air separation and static adsorption greatly improves the separation efficiency and purity, and meets the use requirement of people.