18results about How to "Improve performance reliability" patented technology

The invention relates to a magnetic latching relay and an assembling method thereof. The magnetic latching relay comprises an armature assembly, the armature assembly comprises a shell and a permanent magnet arranged in the shell, the armature assembly further comprises a limiting structure, the limiting structure comprises a connecting part and a limiting part, the connecting part is connected to the shell, and the limiting part is connected to the end, away from the shell, of the connecting part; the auxiliary movable spring part is provided with a through hole, at least part of the connecting part is located in the through hole, and the limiting part is located on the side, opposite to the shell, of the auxiliary movable spring part so as to limit the auxiliary movable spring part on the shell. According to the magnetic latching relay, the assembly process of the auxiliary movable spring part is simplified, and the assembly difficulty and the preparation cost are reduced.

The embodiment of the invention provides a display panel and a display device. The display panel comprises a shift register, and the shift register comprises a plurality of shift register units. The shift register unit comprises an input module, an output module and a voltage stabilizing module. The input module is configured to write voltage into a first node and a second node at least based on an input signal and a first clock signal, and the output module is connected with the first node and the second node; the output module is configured to output a high-level signal based on the voltage of the first node and is also configured to output a low-level signal based on the voltage of the second node; the voltage stabilizing module is at least connected with the first node; in at least part of the time period when the first node is high in potential, the voltage stabilizing module is configured to pull up the potential of the first node based on the voltage of the first node and the first voltage signal. The shift register unit can be ensured to stably output a high-level enable signal, and the product performance reliability is improved.

The embodiment of the invention provides a display panel and a display device. The display panel comprises a first metal layer, sub-pixels and a pixel circuit. The first metal layer is provided with a slot, an electrode connecting wire is arranged in the slot, and the electrode connecting wire and the first metal layer are on the same layer; the first end part of the electrode connecting line is connected with the sub-pixel, and the second end part is connected with the pixel circuit; the electrode connecting lines connected with sub-pixels in the same pixel form a connecting line group, the electrode connecting lines in the connecting line group comprise first connecting lines and second connecting lines, and the first connecting lines and the second connecting lines are located in different open grooves; in the first direction, the first line segment of the first connecting line and the first line segment of the second connecting line are located on the two sides of the pixel. In at least one connecting line group, the first end portion of the first connecting line and the first end portion of the second connecting line are staggered in the first direction. The problem of local heating of the first metal layer due to large current can be improved, the risk that the local area is burnt out is reduced, and the performance reliability of the display panel is improved.

The present invention provides a steering vector estimation method and system, wherein the method comprises: obtaining an array observation signal; obtaining a covariance matrix Φ of a sound source signal according to the array observation signal; x；f ; Obtain beamformer η according to the current sound source of the array observation signal; Through the covariance matrix Φ x；f The beamformer η calculates the steering vector of the array through a formula, and the calculation formula is as follows: #imgabs0# wherein σ is the norm of the modified steering vector, and σ≥0. The present invention solves the technical problem that when estimating and determining the steering vector in the prior art, when the actual situation does not conform to the assumed situation, the performance of the array cannot be reliably guaranteed, and the existing steering vector estimation method has low reliability.

The present invention relates to the field of acoustic wave communication technology, and discloses a surface acoustic wave filter, including a piezoelectric substrate, a first metal connection layer, a first passivation layer, and a second metal connection layer. A plurality of resonators are arranged at the active end of the piezoelectric substrate, and the series resonators and the parallel resonators are sequentially connected through the first metal connection layer. The first passivation layer wraps the resonators and the first metal connection layer to isolate moisture and improve performance reliability. A connection window is etched in the first passivation layer, and a ball is arranged in the connection window to contact the first metal connection layer, and the other end of the ball is in contact with a peripheral circuit (such as a ceramic or resin carrier) to realize input and output signals; the second metal connection layer is connected to the first metal connection layer through an open window on the first passivation layer, which can improve the connection freedom of the resonator, reduce the size of the surface acoustic wave filter, increase the heat dissipation efficiency, and improve the input power that the surface acoustic wave filter can withstand.

The embodiment of the invention provides a display panel and a display device. The display panel comprises a substrate, a plurality of light-emitting devices located on one side of the substrate, a first functional layer located on the sides, away from the substrate, of the light-emitting devices, and a plurality of refraction units located on the sides, away from the light-emitting devices, of the first functional layer. The refraction unit comprises a main body part and an edge part, and the main body part and the light-emitting device are at least partially overlapped in the direction perpendicular to the plane where the substrate is located; wherein the first functional layer is provided with a groove, and at least part of the edge part is located in the groove. The problem that the refraction unit is stripped can be solved, and the performance reliability of the display panel is improved.

The present invention discloses a flow channel assembly for a membrane element, the flow channel assembly comprises: a flow channel element, the flow channel element is concaved inwards to form a plurality of concave structures and is convex outwards to form a plurality of convex structures, and the plurality of concave structures and the plurality of convex structures are distributed in a staggered manner; the flow channel element comprises a water inlet section, a transition section and a water outlet section in the first direction, and the density of the multiple concave structures and the density of the multiple convex structures are gradually increased in sequence along the water inlet section, the transition section and the water outlet section. Through the gradient design that the density of the concave-convex structures of the water inlet section, the transition section and the water outlet section is gradually increased, water flow resistance at the water inlet end is reduced, pressure loss is reduced, and it is guaranteed that water flow enters rapidly and stably; the transition section realizes stable transition of water flow from a low-resistance state to a high-turbulence state and prevents the water flow from impacting the surface of the membrane; the high-density concave-convex structure at the water outlet end generates strong turbulence to effectively scour a concentration polarization layer on the surface of the membrane, low resistance and high turbulence are both considered, the scale deposition risk is reduced, and the service life of the membrane element is prolonged.

The invention discloses a method for preparing a plating layer of a salt-spray-corrosion-resistant alloy cover plate, which comprises the following steps of: immersing the alloy cover plate into an acetone or alcohol solution, cleaning the surface of the alloy cover plate by utilizing ultrasonic cleaning, and removing impurities; the cleaned alloy cover plate is clamped on a cold spraying workbench, and a pure titanium thick film is formed on the upper surface of the alloy cover plate through the cold spraying technology; the alloy cover plate is immersed in acetone or alcohol, the surface of the alloy cover plate is cleaned through ultrasonic cleaning, and impurities are removed; all the outer surfaces of the cleaned alloy cover plate are sequentially plated with nickel and gold, and a nickel plating layer and a gold plating layer are formed; a tube shell to be subjected to parallel sealing welding is placed on a parallel sealing welding machine workbench, an alloy cover plate is placed above the tube shell, and the center of the alloy cover plate is aligned with the center of a tube shell sealing frame; and pre-welding and positioning the alloy cover plate and the tube shell by using a parallel sealing and welding machine, and then carrying out airtight sealing and welding on the alloy cover plate and the tube shell. The problem that the salt spray corrosion resistance is reduced due to the fact that iron elements are exposed on the surface of a weld joint in an existing parallel seal welding technology can be solved.

The invention discloses a large-through-current low-residual-voltage compatible lightning protection device and a control method, equipment and medium using the same, and relates to the technical field of lightning protection devices, the lightning protection device comprises at least one switch type device and at least one voltage limiting type device, and the switch type device adopts a multi-stage series structure; the switching type device and the voltage limiting type device are connected in parallel, and the parallel connection position of the voltage limiting type device is selected according to the matching condition of the breakdown voltage of each gap and the limiting voltage of the voltage limiting type device; the impact current endurance capacity value of the voltage limiting device is greater than or equal to a specified multiple of a preset calculation value; the preset calculation value is calculated according to a device parameter, a working condition parameter and a safety margin influence of the voltage limiting device; the residual voltage value of the voltage limiting type device is greater than or equal to a specified multiple of the breakdown voltage of the switching type devices which are correspondingly connected in parallel; the application has the effects of improving the response speed and reducing the calorific value while maintaining the high through-current capability.

The utility model discloses an automatic watchband contact finger assembling mechanism, which is characterized in that a feeding gear assembly is arranged above a watchband and is meshed with a watchband chain link hole, and the feeding gear assembly pushes the watchband to advance by a chain link interval when rotating each time; the contact finger conveying assembly comprises a vibration disc and a contact finger guiding strip connected with a discharging port of the vibration disc, the tail end of the contact finger guiding strip is provided with a driven gear used for receiving and bearing the contact finger, and the driven gear rotates to enable the contact finger to reach a riveting station; the riveting execution assembly comprises a lifting mechanism, a gear seat is arranged on the lifting mechanism, the driven gear is fixed on the lifting mechanism through the gear seat, and the lifting mechanism jacks the gear seat to enable the contact finger to be buckled with the watchband; and the riveting punch piece applies a downward force to the contact finger, so that the contact finger and the watchband are pressed tightly. Through the automatic feeding and riveting process, the single piece assembling time is greatly shortened, compared with traditional manual and semi-mechanical assembling, the productivity is greatly improved, and the assembling efficiency is improved.

The application discloses a heat-triggered water-based carbodiimide crosslinking agent composition and application thereof. By introducing a latent acid and setting an alkaline environment during storage, the hydrolysis of carbodiimide and the pre-reaction of carbodiimide and carboxyl are simultaneously inhibited from the kinetic aspect, and the system is 'frozen' in a stable state. When used, the latent acid is triggered to decompose by heating, and the system pH is suddenly reduced to acidity by instantaneous release of protons, which not only quickly protonates and activates the carbodiimide, but also creates an optimal kinetic window in which the reaction rate of carbodiimide and carboxyl is much faster than the hydrolysis reaction, thereby accurately, synchronously and efficiently guiding the reaction path to the target crosslinking direction, and realizing the unification of'stable storage' and 'on-demand efficient reaction' in a single component.

The embodiment of the invention provides a display panel and a display device. The display panel comprises a substrate and a first metal layer located on one side of the substrate, and the first metal layer comprises a first metal part and a second metal part which are connected with each other; the first metal part comprises a plurality of first exhaust holes, the second metal part comprises a plurality of second exhaust holes, and the arrangement mode of the plurality of first exhaust holes is different from the arrangement mode of the plurality of second exhaust holes. According to the invention, the voltage drop of transmission signals of the first metal layer can be reduced, the display uniformity is improved, the risk of film stripping of large-area metal can be reduced, and the product performance reliability is improved.

The invention provides a control method of clothes processing equipment and the clothes processing equipment. The clothes processing equipment comprises a water supplementing box, a water supplementing valve, a steam box and a clothes processing drum which are communicated in sequence. Water in the water supplementing box is preheated through the first heater, the water supplementing box can supplement water to the steam box, and the water supplementing valve can adjust the flow of flowing water. Water in the steam box is heated through the second heater and steam is generated, and the steam box can convey steam to the clothes processing drum; when the clothes processing equipment runs a water supplementing program, the control method comprises the steps that the flow of steam needed by a clothes processing drum is obtained, and the power of a second heater and the size of a valve opening of a water supplementing valve are at least adjusted according to the flow of the steam needed by the clothes processing drum, so that steam generated in a steam box meets the nursing requirement; instantaneous drop of the water temperature in the steam box caused by water replenishing in a traditional mode is reduced, the uniformity of the steam temperature is maintained, accurate and stable steam generation is achieved, the overall energy consumption is remarkably reduced, and the reliability and effect of the nursing process are improved.

The invention provides a vehicle electronic equipment charging control method and system, and relates to the technical field of vehicle electronic equipment charging control. A charging voltage threshold value is set according to rated voltage of an energy storage device, and a power supply output voltage valley value is collected in real time and compared with the threshold value; and dynamically determining a charging control mechanism based on a grading judgment rule and a delay protection strategy according to a comparison result, and then circularly executing charging control. Dynamic on-off control of a charging circuit is realized through real-time monitoring and grading judgment of the valley value of the output voltage of the power supply, delay protection is automatically triggered when the voltage of the power supply is lower than a threshold value, and invalid or dangerous charging is avoided during an unstable voltage period, so that power supply voltage fluctuation can be adapted, damage to electronic equipment caused by unstable power supply is reduced, and the service life of the electronic equipment is prolonged. The working reliability and the service life of the vehicle electronic equipment are improved. Meanwhile, closed-loop feedback is formed by circularly executing collection, comparison and control logic, and the stability and reliability of the system under complex working conditions are improved.

The invention provides a pump body assembly, a compressor and an air conditioner, the pump body assembly comprises an air cylinder, the air cylinder is provided with a sliding piece groove for installing a sliding piece and an inner cavity for installing a roller, and the pump body assembly further comprises an elastic positioning assembly; the air cylinder is further provided with a positioning groove used for installing the elastic positioning assembly, the positioning groove and the sliding piece groove are coaxially arranged, and the elastic positioning assembly abuts against the sliding piece and is used for pushing the sliding piece to move in the sliding piece groove along the axis through the elastic force of the elastic positioning assembly and enabling the sliding piece to be attached to the roller. According to the pump body assembly, the compressor and the air conditioner, the technical problem that in the prior art, the spring hole cannot be completely centered in the thickness direction of the air cylinder, and due to deviation, the pump body operates unstably is solved.

The application discloses an array substrate and a display panel, and relates to the technical field of display, wherein the array substrate comprises a substrate and a transistor located at one side of the substrate, the transistor comprises an active layer, an insulating layer and a gate metal layer, the active layer is located at one side of the substrate and comprises a main channel region and an edge channel region, the insulating layer covers the active layer, in the gate metal layer, a region intersected with the main channel region is a first region of the gate, and a region intersected with the edge channel region is a second region of the gate, the array substrate of the application is provided with a hollow region in the second region of the gate, the hollow region blocks the channel of carriers in the edge channel region between the source and the drain to different extents, or the distance between the second region of the gate and the edge channel region is increased, the second region of the gate cannot be opened in advance, and the double-peak phenomenon is improved, and the performance reliability is improved.

The invention provides a slow closing device of an inclined seat type metal hard sealing butterfly slow closing check valve, and relates to the technical field of valves, the slow closing device comprises a cylinder body assembly, the lower end of the cylinder body assembly is hinged to the outer wall of a valve body, hydraulic oil is poured into the cylinder body assembly, and a piston control assembly is arranged in the cylinder body assembly; the piston control assembly is connected with a valve shaft of the valve body through a connecting piece. The device is arranged outside the valve body, is completely separated from a medium and does not pollute the medium, the cylinder body shell is vertically arranged, only one part of the bottom needs to be sealed in a static sealing structure, the oil leakage probability of the cylinder body shell is remarkably reduced, and in the working process of the slow closing device, hydraulic oil is only circulated in the cylinder body shell, so that the working efficiency is greatly improved. And no external pipeline is arranged, so that the probability of external oil leakage is avoided, the use safety of the slow closing device is improved, no pressure exists in the inner cavity of the cylinder body shell when the valve normally operates, and the possibility of hydraulic oil leakage of the cylinder body shell is further reduced.

The present invention discloses an antenna array surface isolated radio frequency routing layer structure, which belongs to the field of antenna array surface technology, and comprises: a support component; an antenna unit and a T / R component are respectively installed on the end surfaces of both sides of the support component; a first cavity is formed on the inner side of the support component, and a connecting component is arranged on the inner side of the first cavity, and the antenna unit and the T / R component are connected through the connecting component; an air cooling component is installed on the support component, so that air enters the first cavity on the inner side of the support component from the installation position of the T / R component, and is blown out from the side of the support component for heat dissipation; through the routing layer structure designed in the present application, the traditional planar air cooling cavity structure is designed as a three-dimensional first cavity, and the heat consumption problem caused by the high-power radio frequency routing layer is solved at the same time, the cost is significantly reduced, and the cooling efficiency is increased by 25% compared with the traditional planar air cooling array, thereby improving the performance reliability of the radio frequency routing layer of the high-power component and the reliability of the radar system.