19results about How to "Improve contact reliability" patented technology

This utility model discloses a flexible pin connector, including a plug housing, a plug insulator inside the plug housing, a pin mounting hole in the plug insulator, and a flexible pin installed in the pin mounting hole. The flexible pin includes a central body portion, a front spring portion extending from the front end of the central body portion, and a rear crimp portion connected to the rear end of the central body portion. The rear crimp portion is connected to a solder pin or cable. The central body portion and the pin mounting hole are connected by an interference fit. This utility model's flexible pin connector has significant advantages. The interference fit between the flexible pin and the rigid socket enables miniaturization. It features low insertion and extraction force, reliable contact, and a double spring structure that ensures high mechanical life and durability. It exhibits stable performance under high-speed vibration and impact, making it widely applicable in various fields. The one-piece stamped flexible pin avoids pin shrinkage, resulting in consistent product quality, high reliability, simple processing, and low cost, making it highly competitive in the market.

The application belongs to the technical field of robots, and discloses a three-dimensional force sensing-based detection and balance control method and system for a legged robot. The method comprises the following steps: determining the number of the leg of the multi-legged robot that slips according to a three-dimensional force signal of the multi-legged robot in contact with the ground; and adjusting the multi-legged robot in the following manner when slipping occurs: (1) adjusting the height of the center of mass of the multi-legged robot; (2) for the leg that slips, actively adjusting the joint stiffness and joint damping of the leg to relieve instantaneous impact; applying foot end acceleration and adjusting normal support force to suppress slipping; and adjusting the target foot landing point at the next time. Through the application, the balance of the robot can be quickly restored after slipping occurs, the risk of instability is reduced, and the stability of the robot in a complex environment is ensured.

A kind of double half-ring type anti-settling buried protection device, including buried cylinder, buried upper cover and two clamps;The buried cylinder is the cylinder that is permeable up and down, the upper end of the buried cylinder is integrally formed with the detection cylinder section for built-in installation and protection gas detector;The buried upper cover can be detachably installed at the upper end of the detection cylinder section, for closing the upper port of the detection cylinder section, so as to protect gas detector when burying;Two clamps are detachably connected together and tightly embrace on the outer circumference of the detection cylinder section;The outer circumference of the clamp is integrally formed with anti-settling half-ring, and two anti-settling half-rings are synthesized into whole circular anti-settling ring.The buried cylinder of the utility model can effectively increase the contact reliability with the earth by two anti-settling half-rings, so that the buried cylinder can be stably fixed in the earth, the pressure capacity of buried protection device is enhanced, and settlement is avoided, and the design of two clamps can effectively reduce the installation difficulty of the whole device.

This application discloses a semiconductor device structure, a CMOS structure, and a method for fabricating the same, relating to the field of semiconductor device technology. The semiconductor device structure employs two buried oxide layers interleaved within a three-layer silicon SOI substrate. The epitaxial initiation layer of the source / drain regions is transferred from the top silicon layer of the SOI substrate to an intermediate or supporting silicon layer within the SOI substrate. This solves a series of process problems arising from the development of SOI technology nodes, particularly in epitaxially growing source / drain regions on a thinner top silicon layer, thus improving the epitaxial growth quality and structural stability of the source / drain regions. Furthermore, the parallel overlap length between the source / drain regions and the gate structure is reduced, significantly decreasing the parasitic capacitance between the source / drain regions and the gate structure. Moreover, the source / drain regions can directly contact the channel, enhancing the contact reliability between the source / drain regions and the channel, enabling stress control of the channel, and improving channel mobility, thus possessing significant application value.

This invention relates to the field of low-voltage switchgear technology, specifically a low-voltage complete power distribution device, including a power distribution cabinet, a drawer unit slidably disposed within the power distribution cabinet, a power distribution busbar installed within the power distribution cabinet, and a conductive clamp plate installed on the rear side of the drawer unit for contacting and conducting electricity with the power distribution busbar. A fixed support and a fixed support plate are fixedly disposed on the drawer unit. An elastic component is connected between the conductive clamp plate and the fixed support plate to elastically press the conductive clamp plate against the power distribution busbar to provide initial clamping force. Through the cooperation of the elastic component and the drive component, during normal operation, a push spring applies an initial clamping force to the conductive clamp plate via a sliding guide rod to ensure basic contact. When the contact area becomes loose and heats up, the thermally sensitive medium in the sealed cavity expands due to heat, driving the linkage to apply additional clamping force to the conductive clamp plate. This achieves adaptive adjustment of the contact pressure based on the degree of heat generation, effectively suppressing the increase in contact resistance.

According to the relay, when a first contact part and a second contact part are separated from each other or make contact with each other to generate an electric arc, a magnetic field formed by a first permanent magnet can play a traction role on the electric arc, and the arc blowing and arc discharging effects are achieved. The electric arc moves along the contact surface, and when the electric arc moves to the arc isolating groove, the arc isolating groove can play a role in isolating, lengthening and blocking the electric arc, so that the arcing time is shortened. Therefore, the defects that the electric arc ablates the inner cavity and causes relay explosion and the like can be effectively avoided, the product performance can still be ensured even under the condition of high load, and the product failure probability can be reduced. And meanwhile, the first contact part is synchronously contacted with the at least two sheet units, and the first contact part and the second contact part have at least two contact points, so that the shunting effect is achieved, the contact resistance can be reduced, the contact stability and reliability can be improved, and the temperature rise can be reduced.

The invention discloses an anti-gastroesophageal reflux nursing device for the digestive system department, and particularly relates to the field of nursing devices. Comprising a support plate; the neck pillow is arranged on one side of the supporting plate; the two rotating plates are rotationally connected to the supporting plates on the two sides of the neck pillow; the headrest is connected between the two rotating plates, and one side of the headrest is matched with the outer surface of the neck pillow; the supporting rod is connected between the two rotating plates, and the supporting rod is arranged on the side away from the neck pillow; the telescopic rod is arranged between the supporting plate and the driving rod, and the telescopic rod is of an arc-shaped structure and is located on the motion trail of the driving rod; and the driving assembly is used for quickly adjusting the extension of the telescopic rod. By the adoption of the technical scheme, the problem that an existing bed head lifting measure is inconvenient for a patient to autonomously adjust is solved, the patient can autonomously adjust the angle of the headrest, and convenience is improved.

The invention relates to the technical field of storage batteries, and discloses a storage battery health state on-line evaluation system, which comprises a magnetic type probe and a data acquisition device, which are used for acquiring a voltage sequence, a pole temperature sequence, an internal resistance sequence, a pole micro-vibration signal and an environment temperature and humidity sequence; the data processing module is configured to obtain an internal resistance health index according to the pole temperature sequence; obtaining a thermal health index according to the pole temperature sequence; obtaining a mechanical health index according to the pole micro-vibration signal; obtaining an environmental health index according to the environmental temperature and humidity sequence; obtaining a stability index according to the pole temperature sequence and the voltage sequence; obtaining a system consistency index according to a residual error generated by a dynamic relation model of the voltage sequence, the pole temperature sequence and the internal resistance sequence; and analyzing the indexes by adopting a D-S evidence theory to obtain a health state evaluation result. According to the method provided by the invention, the data acquisition convenience is high, and the evaluation result is more accurate.

The utility model provides a kind of vehicle-mounted equipment high-strength tethering device, belong to vehicle compartment technical field, this vehicle-mounted equipment high-strength tethering device includes vehicle compartment;Supporting rod insertion slot is equipped with multiple, multiple supporting rod insertion slot is respectively opened in the upper and lower inner wall and side inner wall of vehicle compartment;Supporting component, supporting component is equipped with multiple groups, and each group of supporting component includes support bottom bar, adjusting support rotation slot, height adjusting sleeve, two-way screw groove, upper threaded support rod and upper insertion slot insertion block, support bottom bar is slidably connected in supporting rod insertion slot, adjusting support rotation slot is opened in the circumference inner wall of support bottom bar, the adaptability of device to different size and shape compartment is enhanced, avoid the problem of uneven stress and unstable installation caused by single point of traditional fixed support.

The invention belongs to the technical field of punching devices, and provides an electronic detection mechanism for a punching die and the punching die, and the electronic detection mechanism comprises a socket assembly which is arranged on a supporting seat and comprises a first conductive block electrically connected with an external power supply; and the detection unit is arranged on the punching station, the detection unit comprises a detection piece and a second conductive block electrically connected with the detection piece, and the detection piece is used for detecting the workpiece to be machined on the punching station. Compared with the prior art, the socket assembly is arranged on the supporting seat, the detection unit is arranged on the detachable punching station, and a contact type electric connection mode of the first conductive block and the second conductive block is utilized, so that automatic connection and disconnection of a power supply of the detection unit are realized; the design avoids the problems of cable winding, abrasion and inconvenient plugging caused by traditional fixed wiring, and significantly improves the convenience of die replacement and backer assembly debugging.

The utility model belongs to the field of micro motor, concretely relates to a riveting brush, including brush holder and brush piece, the brush piece includes support arm and contact arm, and the support arm and contact arm have the bending part of arc shape between, the support arm riveting is on the brush holder, the tail of contact arm has two contact pieces of symmetrical distribution, and two contact pieces respectively are provided with silver palladium contact layer on the side of support arm, the support arm and contact arm of brush piece have the bending part of arc shape between, and the bending part can increase the elasticity of brush piece, effectively enhances the contact pressure of contact arm, is favorable for promoting the contact reliability of brush piece, and two contact pieces of contact arm contact the surface of commutator of high -speed rotation through silver palladium contact layer, can promote the hardness and wear resistance of contact surface, can effectively reduce the contact resistance rise of abrasion, is favorable for promoting the working reliability and prolonging the service life of micro motor.

This utility model discloses a moving spring bracket, a moving spring structure, and an electromagnetic relay. The moving spring bracket includes a fixed part and a support part arranged and opposite to each other along a first direction. The support part supports a bridge-type moving spring. The fixed part has at least one positioning part on each side of a second direction. The positioning parts on both sides of the fixed part correspond one-to-one, forming at least one set of paired positioning parts. The two positioning parts in each set are opposite to at least one bridge-type moving spring supported by the support part in the first direction, so as to provide an elastic element between the positioning part and the bridge-type moving spring. The first direction and the second direction are perpendicular to each other, and the second direction is consistent with the length direction of the bridge-type moving spring supported by the support part. The moving spring bracket of this utility model can replace the traditional contact support, providing a structural basis for realizing multi-point support of the bridge-type moving spring. This structural design helps to optimize the force distribution of the bridge-type moving spring and can significantly reduce the vibration amplitude during the breaking process.

The utility model relates to the technical field of resonators, and discloses a surface-mounted quartz crystal resonator, which is characterized in that a sleeve shell is sleeved outside a mounting sleeve block, a splicing type movable groove is formed in the outer wall of the middle part of the bottom surface of the sleeve shell, and inward-retracting abutting blocks are fixedly connected in grooves in the upper side and the lower side of the sleeve shell; a clamping block is fixedly connected to a groove in the top of the end, close to the mounting sleeve block, of the sleeve shell, and one end of the clamping block is bent downwards into a second clamping groove of the mounting sleeve block. According to the utility model, through the arrangement of the inclined plane abutting block, the inward-retracting abutting block and the mounting sleeve block, the inclined plane abutting block abuts against the top of the overlapped part of the mounting sleeve block and the chip, the structural stability and the contact reliability are enhanced, the inward-retracting abutting block and the clamping block are matched with the clamping groove of the mounting sleeve block, and the insertion block is inserted into the circuit board slot, so that rapid assembly is realized, and the connection is firm; the stability of the device in work is ensured, and reliable signal conduction is ensured.

The utility model relates to the field of overvoltage protector especially relates to a six -column overvoltage protector, including box, body, mounting groove, magnetic ring current distributor and flexible conductor, the box upper end is equipped with the mounting groove that is linear array distribution, the mounting groove inside is equipped with the protector body, the body bottom outside is equipped with the magnetic ring current distributor that is linear array distribution, the mounting groove bottom is equipped with flexible conductor. The device can utilize linear array distribution's magnetic ring current distributor forced shunt, so that each body can participate in the protection process, and the protection efficiency is optimized, the problem that the existing six -column overvoltage protector is easy to appear single column use transition and other column to keep intact is solved, does not have the optimization best protection state, causes the resource waste.

This invention discloses a rotary multi-contact isolating switch, comprising an operating part, a positioning part, a switching part, and a driving part. The operating part includes an upper housing, a handle, and a rotating shaft. The positioning part includes a positioning housing, a positioning gear, and a telescopic positioning assembly. The positioning gear is fixed to the bottom end of the rotating shaft, and the telescopic positioning assembly cooperates with the positioning gear to achieve position locking. The switching part includes a lower housing, a stationary contact, and a moving contact assembly, with the moving contact assembly slidably installed within the lower housing. The driving part includes a driven ring and a connecting shaft. The connecting shaft transmits the rotational motion of the rotating shaft to the driven ring, which drives the moving contact assembly to quickly disconnect from the stationary contact. This invention achieves accelerated disconnection of the moving and stationary contacts through the cooperation of the driven ring and the contact support block, effectively shortening the arcing time. The moving contact assembly adopts a double-spring structure, separating the contact pressure of the raised driven wheel from the contact pressure of the contact point, improving the contact stability and vibration resistance reliability during long-term operation. The overall structure is stable and highly reliable.

This invention relates to a positioning and compliant operation method for a construction wall inspection robot, applicable to a robot system including a mobile chassis, a robotic arm, a LiDAR, an inertial measurement unit, and a depth camera for identifying target areas and acquiring local point clouds. The method includes the following steps: S1, degradation perception positioning based on LiDAR-inertial fusion; S2, vision-triggered local operation mode switching and task coordinate system construction; S3, chassis-robotic arm collaborative alignment in the local task coordinate system; S4, end-effector attitude alignment, feedforward compensation, and compliant contact based on the wall normal; S5, performing wall contact detection according to a preset detection sequence. This application does not use a single fixed absolute threshold to hard-cut the degradation direction, but rather uses relative constraint strength and continuous weights to progressively suppress the degradation direction, avoiding pose jumps caused by traditional fixed threshold hard cutting, and improving the positioning continuity and stability in construction weak geometry scenarios.

The invention discloses a semiconductor device structure, a CMOS (Complementary Metal Oxide Semiconductor) structure and a preparation method thereof, and relates to the technical field of semiconductor devices.The semiconductor device structure adopts two buried oxide layers to be embedded into an SOI (Silicon On Insulator) substrate of three silicon layers at intervals, and an epitaxial starting layer of a source / drain region is transferred from a top silicon layer of the SOI substrate to a middle silicon layer or a supporting silicon layer in the SOI substrate; therefore, a series of process problems of epitaxial growth of the source / drain region on the thin top silicon layer caused by the development of SOI technology nodes are solved, and the epitaxial growth quality and the structural stability of the source / drain region are improved; the parallel overlapping length of the source / drain region and the gate structure is reduced, so that the parasitic capacitance of the source / drain region and the gate structure is remarkably reduced; moreover, the source / drain region can be in direct contact with the channel, so that the contact reliability of the source / drain region and the channel is enhanced, the stress regulation of the channel is realized, the mobility of the channel is improved, and the application value is remarkable.

This invention relates to the field of oil extraction equipment technology, and discloses a clamping device and a metal drill tong. The clamping device includes: a frame assembly; two clamping components symmetrically arranged on the frame assembly, each clamping component including a connecting component and a clamping arm, the clamping arm being hinged to the frame assembly via the connecting component; and a drive component disposed on the frame assembly, the drive end of which is simultaneously drivenly connected to the connecting components of the two clamping components. This invention, by setting the clamping components and drive component on the frame assembly, allows the two clamping components to continuously move along a symmetrical clamping trajectory until they contact the workpiece when the clamping device clamps it, resulting in higher clamping accuracy. Furthermore, since the clamping center lines of the two clamping components coincide with the axis of the metal drill tong body, the clamping components can also center and straighten the workpiece during clamping, correcting any deviations in the workpiece's placement.

This invention provides a mechanical overspeed device and protection control method for a hydropower station. By adding two pairs of pressure switches and a set of pressure sensors to the mechanical overspeed hydraulic circuit, the oil pressure in the mechanical overspeed pipeline can be more accurately determined when the mechanical overspeed device operates. The unit's LCU protection control uses an OR relationship between the pressure switch's digital signal and the pressure sensor's analog signal, connecting them in series with the mechanical overspeed signal node. This improves the redundancy and reliability of signal judgment, reduces the probability of false operation, and lowers the risk of failure to operate. The turbine backup protection control uses the pressure switch and the mechanical overspeed node in series, further accurately determining the oil pressure in the mechanical overspeed pipeline when the mechanical overspeed device operates, thus accurately determining the system's normal operation. Simultaneously, the turbine backup protection control introduces a GCB trip signal, further avoiding the risk of false operation of the mechanical overspeed device during unit operation, thereby solving the problems mentioned in the background art.