14results about How to "Release stress" patented technology

A battery assembly according to an embodiment of the present disclosure includes: a plurality of battery cells; a battery assembly frame that houses and covers at least a portion of the battery cells; a battery cell cover that covers one side of the battery cell; and a coolant that circulates within the battery assembly frame, wherein an venting space is provided between the battery cell cover and a surface of the battery assembly frame.

The application is suitable for the technical field of batteries, and provides a battery monomer, a battery device and a power utilization device. The battery monomer comprises: a shell; an electrode terminal installed on the shell; an electrode assembly accommodated in the shell, the electrode assembly having a tab; an adapter comprising a first connecting portion, a second connecting portion and a bending portion, the first connecting portion being electrically connected with the tab, the second connecting portion being electrically connected with the electrode terminal; and the bending portion being arranged between the first connecting portion and the second connecting portion, the bending portion being bent towards one side of the adapter and formed with a groove. The battery monomer provided by the application can reduce the risk of tab fracture and improve the cycle life of the battery monomer.

The application discloses a novel walking auxiliary mechanism for orthopedic rehabilitation, which comprises a protective baffle, connecting rods, lifting supports, side baffles and moving wheels, the upper ends of the lifting supports are welded by the connecting rods, the bottom of each lifting support is provided with a moving wheel, the side baffles are respectively arranged on the left side and the right side of the lifting supports, and the protective baffle is fixed between the two lifting supports and located at the lower end of the connecting rods. The lifting supports are provided with electric lifting rods, the electric lifting rods can be lifted by the driving of a motor, and when the user's hands are sore in a hand-holding mode, the electric lifting rods can be lifted to change into an underarm supporting mode, so that the pressure of both hands is released, the use is convenient, and the use comfort is improved.

The application provides a pressure balance mechanism and a circulating cleaning container. The pressure balance mechanism is arranged on the circulating cleaning container and comprises a pressure relief port and a pressure relief channel. The pressure relief port is arranged on a shell of the circulating cleaning container, and the shell is provided with a cavity. The pressure relief channel is in communication with the pressure relief port and is provided with two pre-pressure relief ports and a pre-pressure relief port control assembly, which are respectively in communication with the cavity. The pre-pressure relief port control assembly controls one of the two pre-pressure relief ports and is in communication with the pressure relief port through the pressure relief channel. At least one pre-pressure relief port is in communication with the cavity and the outside of the shell through the pressure relief channel and the pressure relief port during use. The circulating cleaning container has a pressure balance function and comprises a pressure balance mechanism, a shell and an interface mechanism. The shell comprises an upper shell and a lower shell, and the bottom of the lower shell is provided with a slope. The interface mechanism is arranged on the shell to allow liquid to enter and exit the cavity. The top end of the slope is provided with a clamping interface on the side end opposite to the interface mechanism to facilitate installation and fixation. The circulating cleaning container can balance the pressure inside and outside the container.

The present application belongs to the technical field of maintenance of high-speed railway ballastless track structure, and particularly relates to a method for repairing damage of expansion joint bed of high-speed railway ballastless track. The technical scheme is as follows: a method for repairing damage of expansion joint bed of high-speed railway ballastless track, comprising the following steps: S1: determining expansion joint structure design through finite element design calculation; S2: removing damaged part of expansion joint; S3: treating interface after removing damaged part of expansion joint; S4: placing expansion joint material according to expansion joint structure design of step S1; S5: pouring repair mortar in bridge section base area; S6: setting isolation layer on surface of bridge section base repair area; S7: pouring repair mortar in track bed area; S8: closing expansion joint caulking; and S9: closing surface of repair area. The present application provides a method for repairing damage of expansion joint bed of high-speed railway ballastless track.

The application discloses a top cover structure and a battery. The top cover structure comprises a top cover sheet, an explosion-proof valve and a plastic part. The top cover sheet is provided with an explosion-proof hole. The explosion-proof valve is connected with the top cover sheet and covers the explosion-proof hole. The plastic part is provided with a first exhaust port penetrating through the plastic part. The projection of the first exhaust port on the axis direction of the explosion-proof hole is located on the outside of the explosion-proof valve. Compared with the prior art, the first exhaust port of the application is offset from the explosion-proof valve. The droplets of the electrolyte fall on the top cover sheet under the action of gravity and cannot contact the surface of the explosion-proof valve. By changing the position of the first exhaust port on the plastic part, a physical isolation barrier is formed on the basis of maintaining the original exhaust function. The direct contact between the electrolyte and the explosion-proof valve is effectively blocked, the oxidation corrosion of the explosion-proof valve is prevented, and the normal opening function of the explosion-proof valve in thermal runaway is ensured.

The invention relates to a foundation pit slope supporting structure capable of being completely recycled and reused and a construction method. The foundation pit slope supporting structure comprises a plurality of supporting units and ground anchors used for fixing the supporting units to a foundation pit slope. The supporting unit comprises a supporting bottom plate; an assembly structure is arranged on the supporting bottom plate; the assembling structure comprises a buckle plate arranged opposite to one side face of the supporting bottom plate and a baffle arranged on the side, opposite to the buckle plate, of the supporting bottom plate. The baffle and the supporting bottom plate are arranged at intervals, and a drainage groove is formed between the baffle and the supporting bottom plate. Mounting grooves are formed between the buckle plate and the supporting bottom plate at intervals; when the adjacent supporting units are assembled, the baffles are arranged in the mounting grooves to form non-fixed connection; the middle of the supporting bottom plate is further provided with a rivet receding hole used for installing a rivet. Through the recoverable design of the supporting units and the anchor nails, materials are recycled, water pressure generated by rainwater is dredged in time through the drainage grooves in the assembly structure, and the situation that a supporting system is damaged due to water pressure accumulation of a supported soil slope is avoided.

The application discloses an IGBT device, which is formed by a plurality of cells in parallel, each of the cells is formed in an active region on a wafer, and a gate structure of each of the cells adopts a trench gate, the trench gate comprises a gate dielectric layer formed on an inner surface of a gate trench and a polysilicon gate filled in the gate trench; when the polysilicon gate completely fills the gate trench, a corresponding first stress is generated on the wafer; in a top view, the active region is divided into two or more area blocks, the gate trench in each of the area blocks is in a strip structure and is arranged in parallel, the strip structures of the gate trenches in two adjacent area blocks are not parallel and have an included angle, so that the directions of the first stress on the wafer generated by the polysilicon gates in the two adjacent area blocks are different, and the resultant stress generated by each of the polysilicon gates on the wafer is reduced or disappears. The application can improve the uniformity of IGBT device parameters on the same wafer, and thereby improves the product yield.

This invention relates to a chip manufacturing process for improving back-bearing during unidirectional product dicing, specifically in the field of semiconductor power device chip processing. The invention employs two different specially formulated etching acids to reduce the etching rate of the N-side while maintaining the normal etching rate of the P-side. This method not only avoids back-bearing during dicing but also releases the stress generated during wafer manufacturing. In today's increasingly competitive semiconductor market, possessing top-tier semiconductor manufacturing technology and ensuring product quality are essential tools for every semiconductor discrete device manufacturer. Therefore, researching a high-reliability power device manufacturing process is of great significance in ensuring the capabilities and reliability of semiconductor discrete devices.

The invention belongs to the technical field of high-voltage switch cabinets, and particularly relates to a high-voltage switch cabinet with a pressure relief structure, the high-voltage switch cabinet comprises a cabinet body and the pressure relief structure mounted at the top of the cabinet body, and the pressure relief structure comprises a first pressure relief plate and a driving mechanism for driving the first pressure relief plate to rotate; the surface of the first pressure relief plate is hermetically and rotatably connected with a second pressure relief plate, the first pressure relief plate is symmetrically provided with a pair of sliding rails, the sliding rails are slidably connected with pressure blocks, the second pressure relief plate is fixedly connected with a first rotating rod, the two ends of the first rotating rod are fixedly connected with a pair of spring seats, and first torsional springs are mounted in the spring seats and used for driving the second pressure relief plate to rotate upwards; a driving piece is connected to the first pressure relief plate, and a push rod is hinged between the driving piece and the pressing block; according to the invention, through the linkage structure of the first pressure relief plate and the second pressure relief plate, when high-temperature and high-pressure gas is generated due to an internal fault, the dual pressure relief structure ensures that the internal pressure of the high-pressure cabinet body is released, and pressure relief is carried out in time.

The utility model discloses a fixed-distance spacer at the front part of an anchor withdrawing device, which comprises an anchor withdrawing jack and a spacing structure arranged on one side of the anchor withdrawing jack, and the spacing structure consists of a fixed seat ring and a bent head ejector rod. The fixed seat ring is installed on an annular step at the head of an outer cylinder of the anchor withdrawing jack, the elbow ejector rod is of a structure with the straight back and the bent front, the rear end of a straight rod of the elbow ejector rod is movably connected with a rotating shaft support on the fixed seat ring through a transverse shaft hole, and the elbow ejector rod rotates in the axial plane of the fixed seat ring. The anchor withdrawing jack is pushed to the position close to the anchor cable anchorage device along the steel strand, the elbow ejector rod makes contact with the anchor cable anchorage device, the mechanical spacing distance of 40-50 mm is formed, and space is provided for retraction of the steel strand. And during anchor withdrawing operation, the elbow ejector rod is opened outwards, and the anchor withdrawing head is in contact with the anchor cable anchorage device to finish anchor withdrawing. And after anchor withdrawing is completed, the reset spring enables the elbow ejector rod to return to the initial position. Through the mechanical structure design, the stress of the steel strand is effectively ensured to be completely released.

This invention discloses a highly stable electrochromic thin film, its preparation method, and its applications. The electrochromic thin film comprises a conductive material and an electrochromic layer. The electrochromic layer is a quasi-planar heterojunction metal oxide with a thickness of 10–1000 nm. The preparation method includes the following steps: fixing the conductive material on a sample holder and placing it in an electron beam cavity; pretreating the conductive material; and then using high-energy ion-assisted electron beam evaporation to deposit the metal oxide onto the conductive material, thereby obtaining the electrochromic thin film. This invention, employing the aforementioned highly stable electrochromic thin film, its preparation method, and its applications, overcomes the trade-off between high stability and ultrafast switching performance with the assistance of high-energy ions, exhibiting significant overall electrochromic performance, including high optical contrast, ultrafast switching speed, and excellent stability.

This invention relates to the field of electronic ceramic substrates and provides a method for preparing a black alumina substrate, which solves the defects of existing black alumina substrates, such as low thermal conductivity and low mechanical strength, due to defects in the preparation process. The preparation steps include: (1) preparing raw materials; (2) preparing slurry; (3) casting; (4) debinding; (5) sintering; (6) annealing; and (7) surface treatment.

The application provides a jig, a packaging box, a stress release system of a curved display panel and a method thereof. The jig comprises a box body and a first air bag. The box body has a receiving cavity for placing the curved display panel. The receiving cavity comprises opposite first and second walls. The first wall is a plane, and the second wall is a curved surface with the same curvature as the curved display panel. The first air bag is arranged on the first wall. The first air bag has opposite first and second surfaces. The first surface is located on the side close to the first wall. When the first air bag is in an inflated state, the first surface is attached to the first wall, and the second surface is curved into a first curved surface. The bending direction of the first curved surface is the same as the bending direction of the second wall. The jig is used for stress release of the curved display panel. The stress of the curved display panel placed in the receiving cavity can be slowly released, so that the probability of light leakage of the curved display panel is reduced.