13results about How to "Stable conduction" patented technology

This invention discloses a surgical field gimbal imaging device and method, relating to the field of medical auxiliary devices. The device includes a mounting base, a fixed column fixedly connected to one side of the mounting base, a columnar connecting groove on the side of the fixed column away from the mounting base, a connecting column inserted into the columnar connecting groove, and a connecting seat fixedly connected to the side of the connecting column away from the mounting base. A camera body is mounted on the other side of the connecting seat via a multi-directional rotation mechanism. Multiple limiting mechanisms are also included, used to limit the connection between the fixed column and the connecting column. Each limiting mechanism includes an L-shaped frame fixedly connected to the side wall of the fixed column. Compared to traditional imaging devices and head-mounted supports directly connected via multiple screws, this solution uses a connecting seat at the connection point. The connecting seat and the imaging device employ a simpler, detachable connection method, facilitating disassembly, inspection, and maintenance of the imaging device.

The utility model provides a multi-station press machining system, and belongs to the technical field of machining equipment. The problem that in the prior art, a press is low in automation degree is solved. The multi-station press machining system comprises a rack and a rotating station module connected to the rack, and the rotating station module comprises a rotating disc and a power assembly used for driving the rotating disc to rotate in an indexing mode; the at least two workpiece fixing modules are connected to the rotary table, and each workpiece fixing module is provided with a machining station used for containing a workpiece; the stamping execution module is connected to the rack, and the stamping execution module comprises a stamping execution piece and a stamping driving piece used for driving the stamping execution piece to move up and down in the vertical direction; and the at least one workpiece transfer module is connected to the rack, and the output end of the station transfer module is provided with a clamping jaw used for feeding unmachined workpieces and discharging machined workpieces. The device has the advantages of high efficiency and automation.

This invention discloses an energy meter with a built-in high-current relay, relating to the field of energy meter technology. The energy meter includes a meter box containing a control panel and a relay. A wiring plate is embedded in the end face of the meter box. A through hole is formed in the center of the front of the wiring plate, and wire holes are formed at both ends of the front of the wiring plate. A conical protrusion is movably fitted inside the through hole, and a main rod is fixedly connected to the outer end face of the conical protrusion. This invention overcomes the shortcomings of existing technologies, achieving efficient wiring, stable conductivity, precise clamping, and quick assembly and disassembly. It solves the problems of complex wiring, poor contact, inconvenient maintenance, and low safety in traditional energy meters, and has high social value and application prospects.

This application provides a high-side NMOS driving circuit and electronic device. The circuit includes a charging power supply module for outputting a charging voltage independent of the main circuit voltage to a bootstrap capacitor module; a lift power supply module for outputting the main circuit voltage to the bootstrap capacitor module; a lift control module for controlling the voltage rise of the bootstrap capacitor module; and a bootstrap capacitor module for outputting a driving voltage to the gate of the NMOS transistor during the voltage rise. During the charging phase, the bootstrap capacitor module is charged to the charging voltage via the charging power supply module. During the lift phase, the bootstrap capacitor module, through the lift power supply module and the lift control module, raises the capacitor voltage to the superposition of the main circuit voltage and the charging voltage to drive the NMOS transistor to conduct. This circuit can still achieve stable NMOS transistor conduction even in scenarios with a wide main circuit power supply voltage range.

The invention discloses a high-conductivity alkaline anion exchange membrane and a preparation method thereof, the high-conductivity alkaline anion exchange membrane is prepared from a rigid aromatic monomer, reactive quaternized polyarylether sulfone, immobilized quaternary ammonium salt, hydrophobic mesoporous SiO2 and a cross-linking agent, and the surface of the high-conductivity alkaline anion exchange membrane is provided with a cation density gradient transition layer and an anti-corrosion coating. The alkali-resistant stability of the membrane is improved through covalent bonding of quaternary ammonium and a three-dimensional cross-linked structure, the mesoporous SiO2 regulates swelling and constructs an ion channel, and the interface contact resistance is reduced through a gradient structure. And the OH <-> conductivity at 80 DEG C reaches 149-168 mS / cm, the 4000 h alkali-resistant retention rate is greater than or equal to 90%, the in-plane swelling rate is less than or equal to 5.1%, the interface contact resistance is as low as 0.08 omega.cm < 2 >, and the composite material has the advantages of high conductivity, low swelling, high alkali resistance and excellent interface compatibility, and is suitable for alkaline fuel cells.

The invention relates to the field of detection devices, in particular to a gas suction pipeline type combustible gas concentration detection device which comprises a gas suction sampling pipeline structure and a combustible gas detection unit. The combustible gas detection unit comprises an infrared detection cavity, a spherical optical fiber emission light source, an optical fiber and a detection circuit assembly; the inspiration sampling pipeline structure comprises a plurality of inspiration sampling pipelines, and the inspiration sampling pipelines are respectively communicated with different protection areas and are used for extracting sampling gas of the corresponding protection areas. The spherical optical fiber emission light source with the sapphire glass shell and the vacuum cavity is adopted, interference of the external environment on infrared rays emitted by the lamp filament is reduced, the multiple optical fibers are welded to the outer side of the shell, stable and efficient conduction of multiple paths of infrared rays can be achieved, infrared signal attenuation is reduced, the detection circuit assembly is combined with the Beer-Lanbert law, and the detection precision is improved. And the concentration is calculated by accurately measuring the characteristic frequency of the emitted infrared rays, so that the accuracy and consistency of the detection result are further improved.

This invention discloses a stepper motor frame assembly, including a frame structure, an upper electrode plate, and a middle electrode plate assembly. The upper electrode plate has an annular first electrode plate body and an integrally formed first electrode claw, which is bent from the first electrode plate body and extends axially. The middle electrode plate assembly includes a stacked second electrode plate body and a third electrode plate body, each having a second electrode claw and a third electrode claw arranged opposite to each other, both embedded in the inner wall of the rotor space. The frame structure includes a first frame, a second frame, and a third frame, which are injection molded together with the middle electrode plate assembly. The first frame and the second frame cooperate to form a first winding space and a first rotor cavity, and the second frame and the third frame cooperate to form a second winding space and a second rotor cavity. Each space and cavity has a common central axis. This invention solves the problems of complexity and difficult assembly of existing stepper motor frame assemblies, realizes the integrated design of the electrode plate and the frame, and improves the performance and reliability of the motor.

The invention provides a vehicle-mounted coffee machine, and relates to the technical field of vehicle-mounted equipment, the vehicle-mounted coffee machine comprises: a shell, a part of area of the shell is recessed inwards to form an accommodating groove, and the bottom of the accommodating groove is provided with a mounting through hole; the adaptive assembly is installed at the position corresponding to the installation through hole, the adaptive assembly is provided with a water flow channel and an air flow channel, one end of the air flow channel is communicated with the external environment, the other end of the air flow channel is communicated to the water bottle container, the adaptive assembly is used for being connected with the water bottle container in a matched mode, and the other end of the adaptive assembly is communicated with a suction pump of the vehicle-mounted coffee machine; the adaptive assembly further comprises a valve assembly, and the valve assembly is arranged in the water flow channel and used for controlling opening or closing of the water flow channel. And a water bottle container. According to the vehicle-mounted coffee machine, water can be rapidly added or replaced by using the water bottle container as an external water source, the vehicle-mounted coffee machine is convenient and rapid, the water bottle container is stably connected with the vehicle-mounted coffee machine, and water leakage caused by water bottle container toppling due to vehicle bumping is prevented.

The utility model discloses a shielding structure, an electric connector and a connector assembly, which belong to the field of electric connectors, the shielding structure is used for shielding the electric connector and comprises a metal shell, a first grounding piece and a second grounding piece, and the first grounding piece and the second grounding piece are respectively arranged on two sides of a cable of the electric connector. The first grounding piece and the second grounding piece are electrically connected with a shielding layer of a cable of the electric connector, the first grounding piece is electrically connected with a grounding terminal of the electric connector, the first grounding piece is provided with an extending part, and the extending part is electrically connected with the metal shell. According to the shielding structure, the electric connector and the connector assembly provided by the utility model, the extension part is additionally arranged at the first grounding piece, so that stable connection between the first grounding piece and the metal shell can be effectively ensured. Furthermore, stable conduction among the grounding terminal, the coaxial line shielding layer connected with the signal terminal and the metal shell is achieved. The electromagnetic interference shielding effectiveness of the metal shell can be fully exerted, and the problem that wires are scalded possibly in a traditional mode is avoided.

The invention discloses a multifunctional tea set, belongs to the technical field of tea sets, and aims at solving the problems that a traditional tea set is single in function, poor in heat preservation effect and limited in adaptive scene. The device comprises a base, a supporting rod, a functional assembly and a liquid container, one corner of the base is provided with a fixing hole site with a conductive contact, and a heating disc is installed; the supporting rod is connected with the fixing hole position in a matched mode and electrified through a contact, and a battery is arranged in the supporting rod. The functional assembly comprises a filter support, a tea knife and a cigarette lighter which can be replaced independently and is detachably connected with the top end of the supporting rod. The liquid container is arranged on the heating disc to achieve heat preservation. The base is provided with a power interface which can supply power to the heating disc and charge the battery when an external power supply is connected, and the battery supplies power to the heating disc when the external power supply is not connected. The device integrates multiple functions, is convenient to disassemble and assemble, adapts to indoor and outdoor scenes, and is high in practicability and flexibility and wide in application range.

This invention belongs to the field of tubular busbar connection technology and discloses an impregnation and casting method for epoxy resin vacuum intermediate joints of tubular busbars, including the following steps: S1, conductor treatment; S2, tube end insulation; S3, conductor butt joint; S4, insulation cold shrinkage; S5, sealing and molding. The conductor treatment involves selecting a seamless tubular conductive busbar and locking the limiting flange onto the conductor end. The conductor end is then insulated, and the limiting flange is removed and recycled. This invention uses a detachable and reusable limiting flange and end mold, simplifying the production process, shortening the processing cycle, and reducing busbar manufacturing costs. Furthermore, the use of a tubular joint increases the conductive contact area, avoiding joint overheating under high current conditions. The use of a prefabricated cold shrinkage intermediate joint reduces on-site construction difficulty. This improves the busbar's operational safety and environmental adaptability. The product has a stable structure, long service life, and good engineering application and promotion value.

The utility model relates to the technical field of medical instrument assistive devices, in particular to a connecting and fixing device for stabilizing a treatment head, which comprises a connecting helmet main body, the inner wall of the connecting helmet main body can be completely attached to the head of a patient, and the shape of the connecting helmet main body can be designed according to image data of the head of the patient. The top end of the connecting helmet body is connected with a first structure and a second structure in a replaceable mode, the first structure comprises a connecting cylinder, the second structure comprises a connecting column, the connecting column is fixedly installed at the top end of the connecting helmet body, and a plurality of fixing hooks are arranged on the outer wall of the connecting column. The inner wall of the connecting helmet body can be completely attached to the head of a patient, the shape of the connecting helmet body can be designed according to the shape characteristics of the head of the patient, the connecting helmet body can be conveniently attached to the head of the patient, and the first structure and the second structure can conveniently correspond to the portions, needing to be treated, of the patient; the treatment effect of the ultrasonic treatment head is improved.