15results about How to "Good electrical contact" patented technology

This invention relates to the field of shock waveguide technology and discloses a spring electrode shock waveguide, comprising a slender carrier and a balloon. The space formed between the balloon and the carrier is an annular channel for fluid to enter and achieve inflation. First, the electrode in the guide tube is designed as a spring-type spiral structure and wound around the surface of the carrier, which can provide good electrical contact and make the electrode have excellent ductility, solving the problem of large stress on the electrode during the deformation of the balloon under fluid compression. Through the design of a first support mechanism and a second support mechanism, the first support mechanism is connected between two adjacent outer walls of the electrode, providing axial support force for the electrode, and the second support mechanism is connected between the inner wall of the balloon and the outer wall of the electrode, providing radial support force for the electrode. This reduces the pressure on the electrode when the internal pressure of the balloon increases and the balloon expands, further solving the stress problem of the electrode during the deformation of the balloon.

The utility model discloses a water meter PCB board detection jig, including test base, locating platform deck and pressure mechanism, locating platform deck floatably installs on the test base, locating platform deck top is equipped with first locating slot, second locating slot and pressing piece, first locating slot is located just above the detection probe and is used for placing main substrate, second locating slot is located just above the detection probe and is used for placing the main substrate. An avoiding hole communicated with the first positioning groove is formed in the position, corresponding to the detection probe, of the bottom of the positioning platform deck, the pressure mechanism is installed on the testing base and located over the first positioning groove, and the pressure mechanism is used for tightly pressing the main substrate placed in the first positioning groove so that the main substrate can make contact with the detection probe; the second positioning groove is used for placing an auxiliary substrate, and the abutting piece is rotatably installed on the positioning carrying table and used for tightly pressing the auxiliary substrate; the second positioning groove and the abutting piece are used for fixing the auxiliary substrate, interference of the auxiliary substrate on the main substrate in the detection process is prevented, the detection accuracy and reliability are improved, and powerful technical support is provided for quality control in the water meter production process.

The utility model discloses a high-power waveguide sealing connection structure for an electron accelerator, which comprises a front straight waveguide, a rear straight waveguide, a flat flange, a double-groove type flange and a metal gasket, and the corresponding end faces of the front straight waveguide and the rear straight waveguide are respectively connected with the flat flange and the double-groove type flange. The flat flange and the double-groove type flange are connected with each other through respective sealing end surfaces; an annular stepped groove is formed in the sealing end face of the double-groove type flange, surrounding edges are arranged inside and outside the stepped groove, the stepped groove comprises a positioning groove and an auxiliary groove, the metal gasket is provided with a protruding annular positioning frame, the metal gasket is arranged between the flat flange and the double-groove type flange in a cushioned mode, and the positioning frame is connected with the positioning groove in a matched mode. According to the utility model, the sealing problem of high-power waveguide installation is solved, good electric contact of the butt joint plane of the two waveguide metal flanges during high-power microwave transmission operation is realized, high-power microwaves are prevented from escaping, vacuum in the waveguide is ensured, and stable transmission of the high-power microwaves is ensured.

The present invention relates to an electro-discharge machining device, which comprises at least a carrier and an electro-discharge machining unit. The carrier is used to carry at least one workpiece to be machined. The electro-discharge machining unit comprises an electrode, a jig and a power supply unit. When the electro-discharge machining unit performs an electro-discharge machining process on a machining target area of the workpiece to be machined along a machining travel direction, a discharge section of the electrode moves relative to the machining target area of the workpiece to be machined. The present invention can improve the machining process, save the overall machining time and save the time required for replacing the electrode.

The utility model relates to the technical field of COME boards, and discloses a COME board with multiple expansion interfaces, which is integrated with a group of PCIe (Peripheral Component Interconnect Express) expansion modules with PCIe 3.0 * 8 interfaces and two groups of PCIe 2.0 * 8 interfaces. The USB interface module is provided with four paths of USB2.0 interfaces and four paths of USB3.0 interfaces; an onboard storage interface module with three paths of SATA3.0 interfaces; the network interface module is provided with two paths of 10 / 100 / 1000Mb self-adaptive gigabit network ports; the video output interface module is provided with an HDA interface, an HDMI interface, a VGA interface and an LVDS interface; according to the utility model, through modularized integration and scientific layout, anti-interference of a high-speed interface, easy plugging of a common interface and flexible configuration of a memory are realized, high-performance scene requirements are met, and diversified applications and special industrial expansion are adapted through multiple types of interfaces; and the three-dimensional anti-drop structure of the USB interface is fixed with the board body, so that the connection stability and the mechanical strength are enhanced.

The invention discloses a new energy intelligent charging pile which comprises a charging pile body and a conductive track, the charging pile body is arranged in a charging scene, the conductive track is arranged above the charging scene, the charging pile body comprises a motorized base, a power module, a mechanical arm and a lifting power connection structure, and the power module is fixedly installed on the motorized base through a supporting frame; and a mechanical arm is installed on the side face of the power module, a charging gun and a mechanical clamping hand are installed at the front end of the mechanical arm, and a lifting power connection structure is installed on the rear side of the power module. The full-process automation of vehicle identification, charging port positioning, baffle and sealing cover opening, charging gun plugging connection, charging completion and resetting is realized, the charging efficiency and safety are obviously improved, and manual intervention is reduced.

The present disclosure provides a connector, comprising an output port; the output port is fixed on a connecting structure and electrically connected with the connecting structure; a rotating structure and the connecting structure are coaxial and can rotate relative to the common axis, the rotating structure is provided with a first elastic pin group capable of rotating with the rotating structure, one end of the first elastic pin group is electrically connected with the output port through the connecting structure; a folding structure is rotationally connected with the rotating structure and can rotate relative to the rotating structure around a first axis, the folding structure is provided with a second elastic pin group capable of rotating with the folding structure, one end of the second elastic pin group is electrically connected with the other end of the first elastic pin group through an electrical connector, and the other end of the second elastic pin group is electrically connected with a wire harness. The connector of the present disclosure can rotate around the axis in the horizontal direction, and the folding structure can rotate around the vertical axis in the vertical direction, meeting the demand for angle adjustment in various complex connection scenarios.

The present disclosure relates to the technical field of infrared detection, and particularly relates to a non-cooled infrared detection pixel, a chip, a movement and equipment, the non-cooled infrared detection pixel comprises one or more interconnection structures connected with a readout circuit and an infrared sensing structure; wherein each interconnection structure comprises: a first aluminum connecting part, a tungsten structure and a second aluminum connecting part; wherein the tungsten structure is connected between the first aluminum connecting part and the second aluminum connecting part, and the first aluminum connecting part and / or the second aluminum connecting part comprises an aluminum layer and a titanium layer and / or a titanium nitride layer located on a side of the aluminum layer away from the readout circuit and / or a side of the aluminum layer facing the readout circuit, so that the interconnection structure can solve the problem of unstable noise caused by interconnection of the infrared detection chip, and can improve the process stability.

The utility model discloses a plug-in type wiring terminal for preventing cable deformation, which comprises a main body, an installation mechanism, a fixing assembly and an auxiliary assembly, the installation mechanism comprises a rotating rod, an upper contact plate, a lower contact plate, a first spring and an external connection plate, and the fixing assembly comprises a second spring, a fixing piece and an external connection wire. The auxiliary assembly comprises a cover pressing plate and a fixing bolt, under the mutual cooperation effect of the above mechanisms, the device ensures good electrical contact when current passes through through accurately designed contact points and wiring terminals, and reduces current instability or signal attenuation caused by poor contact, in addition, through the plug-in design, the device is convenient to use, and the cost is reduced. The external wire can be rapidly and reliably fixed on the wiring terminal, thereby reducing installation or maintenance time and improving work efficiency.

The present disclosure relates to the technical field of infrared detection, and particularly relates to a non-cooled infrared detection pixel, a chip, a movement and equipment, the non-cooled infrared detection pixel comprising a readout circuit, an infrared sensing structure and one or more first interconnection structures connecting the readout circuit and the infrared sensing structure; the first interconnection structure comprises a first connecting part, a first copper connecting part and a second copper connecting part, two ends of the first copper connecting part are connected with the first connecting part and the second copper connecting part respectively, the first connecting part is connected with the readout circuit, and the second copper connecting part is connected with a beam structure of the infrared sensing structure; wherein at least the second copper connecting part is located on a side of the beam structure facing the readout circuit, and the beam structure is in a flat plane, so that the interconnection structure can solve the problem of unstable noise caused by the interconnection of the infrared detection chip, and can improve the process stability.

This invention discloses a method for preparing silicon-carbon composite anode materials using porous graphite. First, a porous carbon material with a large number of uniformly distributed nano- to micron-sized pores is prepared using a physical foaming method, and then graphitized at high temperature to obtain porous graphite. Next, the porous graphite is pulverized to obtain graphite powder with a cratered surface structure, and then mixed with a certain proportion of nano-silicon and ball-milled to embed the nano-silicon into the cratered structure on the graphite powder surface. Finally, the mixed material is carbon-coated to obtain a silicon-carbon composite anode material for lithium-ion batteries. Applications of this composite material are also provided. In this invention, nano-silicon and graphite have good electrical contact, greatly improving the electrochemical performance of the silicon-carbon composite anode material. Simultaneously, graphite can buffer the volume expansion of the silicon material. The cratered structure on the graphite surface improves the lithium intercalation reaction of the silicon-carbon composite anode material, improving the rate capability and low-temperature performance of lithium-ion batteries.

This disclosure relates to the field of infrared detection technology, and more particularly to an uncooled infrared detection pixel, chip, core, and device. The uncooled infrared detection pixel includes a first interconnect structure and a second interconnect structure. The first interconnect structure includes a first aluminum connection portion, a first tungsten connection portion, a second aluminum connection portion, and a beam structure connected in sequence. The second interconnect structure includes a third aluminum connection portion, a second tungsten connection portion, a fourth aluminum connection portion, and an absorption sensing portion connected in sequence. The aluminum connection portion includes an aluminum layer, and at least one aluminum connection portion further includes a titanium layer and / or a titanium nitride layer, located on the side of the aluminum layer facing away from and / or towards the absorption sensing portion. The first interconnect structure connects the second interconnect structure and a readout circuit. The first aluminum connection portion in the first interconnect structure connects to the readout circuit. The second aluminum connection portion in the first interconnect structure and the third aluminum connection portion in the second interconnect structure connect to the beam structure. This interconnect structure can solve the noise instability problem caused by the interconnection of the infrared detection chip, and can reduce noise and improve process stability.

This utility model discloses a highly flexible LCD screen connection cable, comprising: a connection cable body, wherein shape memory metal sheets are disposed on the upper and lower parts of the connection cable body, which gives the connection cable body a highly flexible effect, thereby protecting the connection cable body when bent; and a connector, which is fixed to both ends of the connection cable body and connected to the connection cable body through a locking structure, for connecting the LCD screen. This utility model, by placing shape memory metal sheets on the upper and lower parts of the connection cable body, gives the connection cable body extremely high flexibility, effectively withstanding bending and protecting the internal wires from damage; the high flexibility characteristic is suitable for various installation environments, reducing the risk of damage caused by bending, thereby enhancing the durability of the connection cable.

The utility model discloses a male and female riveting terminal, and relates to the field of electric connectors. Comprising a male terminal and a female terminal, a connecting plug is formed at the front end of the male terminal, a male end wire riveting part is formed at the rear end of the male terminal, a connecting port is formed at the front end of the female terminal, a female end wire riveting part is formed at the rear end of the female terminal, at least one male end gap is formed in the side portion of the connecting plug, and the male end gap extends from the rear end of the connecting plug to the end portion of the front end. And the end part extends towards the left side and the right side to form an arc-shaped opening. The front end portion of the crack expands towards the left side and the right side to form arc-shaped openings, the structural design enables the connecting plug to have elastic deformation capacity in the inserting process so as to adapt to dimensional tolerance or assembly deviation of the connecting plug, and meanwhile the left arc-shaped opening and the right arc-shaped opening in the tail end of the crack provide flexible buffering and self-alignment guiding functions in the inserting and pulling process. Therefore, the insertion force is effectively reduced, and the insertion smoothness and stability are improved.

This invention belongs to the field of non-precious metal electrocatalytic oxygen evolution materials, and discloses a nanocrystalline copper-manganese alloy for hydrogen production through water electrolysis, its preparation method, and its applications. A nanocrystalline copper-manganese alloy film with a thickness of 1 μm to 10 μm can be obtained by magnetron co-sputtering with a copper and manganese target. The nanocrystalline copper-manganese alloy contains 15%–80% Cu and 20%–85% Mn atomic percentages. Compared with conventional methods, the preparation method of this invention is simpler, and the prepared nanocrystalline copper-manganese alloy exhibits excellent electrocatalytic oxygen evolution performance, showing promising application prospects in fuel cells and water electrolysis for hydrogen production.