17results about How to "Relieve deformation" patented technology

The invention relates to the technical field of semiconductor packaging, in particular to a hybrid packaging structure and method of a photoelectric chip and a testing method and system of the photoelectric chip. The packaging structure comprises a first substrate; a reinforced connecting layer is arranged on the upper surface of the first substrate; the reinforced connection layer comprises a silicon adapter plate, a first reinforced layer and a second reinforced layer are arranged on the silicon adapter plate, and an electronic chip is arranged on the upper surface of the second reinforced layer; the third reinforcing layer at least can cover the exposed surface area of the first reinforcing layer, the exposed surface area of the second reinforcing layer and the side surface of the electronic chip; and a photon chip is arranged on the upper surface of the third reinforcing layer corresponding to the first reinforcing layer. The hybrid packaging scheme realized based on the reinforced connection layer can be applied to wafer-level batch processing, so that the compatibility with an advanced packaging process of an electronic chip and large-scale mass production can be realized.

The invention discloses a laser bending process and a laser bending device, and belongs to the technical field of laser machining, and the laser bending process comprises the steps that a to-be-bent area in a to-be-bent part is subjected to laser tempering treatment to obtain a tempered to-be-bent part, and the tempered to-be-bent part is subjected to bending treatment to obtain a bent part. Wherein in the laser tempering treatment and bending treatment process, an external magnetic field is applied to the to-be-bent part, the direction of the external magnetic field is parallel to the plane where the to-be-bent part is located, and at least part of the external magnetic field penetrates through the to-be-bent part. The electromagnetic force effect can be applied to the to-be-bent area subjected to laser tempering treatment through the external magnetic field, grains are refined, energy distribution in the laser tempering treatment process can be adjusted, the tempering treatment stability is guaranteed, the bending stress is reduced, the conditions of deformation of a bent part and coarse grains are relieved, and the quality of the bent part is improved.

The present invention relates to a spliced ​​chamfering device, comprising a base and a plurality of thin tooth plates; all of the thin tooth plates are fixedly spliced ​​on the side wall of the lower part of the base to form a conical chamfering body, and the lower parts of all of the thin tooth plates extend to the bottom of the base, and the lower parts of all of the thin tooth plates are pressed against each other on the side close to the base, and a drainage groove connecting the water hole inside the base is formed between two adjacent thin tooth plates. The beneficial effects of the present invention are as follows: the chamfering device is spliced ​​by a plurality of thin tooth plates, and a drainage groove is formed between each two adjacent thin tooth plates, so that the working surface of the chamfering device is densely distributed with drainage grooves, and the cooling water discharged outward from the drainage groove can cover the entire working surface, thereby improving the working efficiency and extending the service life of the chamfering device; at the same time, the deformation rates of the radial points are relatively close, the deformation problem is alleviated, and the service life of the chamfering device is extended.

The utility model provides a partition plate for distinguishing temperature zones, and belongs to the technical field of partition plates. Comprising a partition plate body and a partition plate body, the plurality of first bent plates are arranged in the partition plate body and are used for absorbing the deformation force of the partition plate; the first supporting ribs are arranged between the partition plate body and the first bent plate, the two side faces of the first supporting ribs are connected with the partition plate body and the first bent plate correspondingly, and the first supporting ribs are used for supporting the first bent plate; and the plurality of second bent plates are arranged in the partition plate body and are used for absorbing the pressure of the partition plate. The first bending plate and the second bending plate are arranged to form a rhombus, and are matched with the first supporting rib and the second supporting rib, so that the stability and the bearing capacity of the interior of the partition plate can be enhanced, and deformation of the partition plate is relieved.

The present invention relates to the technical field of automobile parts, and proposes a heat-resistant rubber hose for an engine, comprising a pipe fitting, the pipe fitting having a pipe mouth; a first connecting piece sleeved on the pipe mouth, the first connecting piece having a first inner inserting part and a first outer sleeve, the first inner inserting part and the first outer sleeve respectively abutting against the inner wall and the outer wall of the pipe mouth; a first outer slider slidably arranged on the first outer sleeve, and the sliding direction is along the axial direction of the pipe mouth, and the first outer slider has a first pressing part, and the first pressing part slidably abuts against the outer wall of the pipe fitting. Through the above technical solution, the problem that the rubber hose in the prior art may be deformed or fall off when the temperature changes and bumps.

The invention discloses an electric heating structure and an air conditioner applying the same, the electric heating structure is applied to an evaporator, the evaporator is provided with an open space formed by multiple bends, the electric heating structure comprises a heating body and a heat dissipation unit, the shape of the heating body is matched with that of the evaporator, and the heating body is located in the open space; the heat dissipation unit is arranged on the heating body so that heat generated by the heating body can be evenly transmitted to the evaporator. According to the electric heating structure, due to the fact that the heating body is matched with the evaporator and the heat dissipation unit is arranged on the heating body, after the heating body is powered on, heat is dissipated to the periphery through the heat dissipation unit, and compared with a traditional heating body, the distribution range of the heating body is wide, and the heating body is provided with the heat dissipation unit; therefore, the heating effect can be greatly improved, the evaporator is prevented from frosting, and the technical problem that the heat exchange efficiency is affected due to fin deformation caused by the temperature difference of the evaporator is solved.

This utility model relates to the field of heating appliances and discloses a heating module suitable for liquid heating equipment, including a heating element and a cover plate. A heating layer made of thick-film heating material is provided on one side of the heating element; a flow guide groove is provided on the other side of the heating element. The cover plate and the flow guide groove form a medium channel that allows the working medium to flow. This utility model integrates the heating plate and the water circuit board into a single structure, solving the problem of poor consistency caused by deformation due to the independent structures of the heating plate and water circuit board in the prior art. Furthermore, the sidewalls of the flow guide groove form reinforcing ribs, enhancing the structural strength of the heating element, improving its resistance to deformation, and increasing the heating controllability of the heating module. Simultaneously, the working medium flows in a designated direction to achieve gradual heating of the working medium, improving the temperature control accuracy of the heating module. This utility model also provides a liquid heating device.

The present invention belongs to the technical field of potassium ion battery materials, and relates to a hollow carbon @ zinc sulfide negative electrode material for potassium ion batteries, and a preparation method and application thereof. The present invention uses a tannic acid methanol solution to selectively etch ZIF-8 nanoparticles to obtain core-shell-zeolite imidazole framework @ coordination polymer nanoparticles, and then uses thioacetamide vulcanization to obtain hollow-tannic acid @ zinc sulfide nanoparticles, and finally obtains a hollow carbon @ zinc sulfide negative electrode material by heat treatment under an inert atmosphere, which is then applied to potassium ion batteries, and can effectively improve the specific capacity, rate performance and cycle performance of potassium ion batteries under normal temperature and high temperature conditions, and the material preparation method does not need to add a template, the process is simple, the reaction conditions are mild, and the shell thickness can be accurately controlled.

This utility model discloses a high-temperature resistant fuel nozzle for aero-engines, relating to the field of fuel nozzle technology. It includes a mounting ring and an air guide assembly. The top of the air guide assembly is fixedly connected to the bottom of the mounting ring, and a cooling assembly is fixedly connected to the inner wall of the air guide assembly. The cooling assembly includes an inner air tube, and a honeycomb plate is fixedly connected to the inner wall of the inner air tube. The fuel nozzle is fixed to the outer wall of the inner air tube by a spiral ring, guiding the cooling airflow to form a spiral flow, increasing the contact area and turbulence intensity between the airflow and the inner air tube, improving heat exchange efficiency, reducing the fuel passage temperature, and preventing fuel vaporization at high temperatures from affecting injection performance. The honeycomb plate is arranged in a ring array on the inner wall of the inner air tube, dividing the cooling airflow into multiple fine streams that evenly cover the inner wall of the inner air tube, avoiding localized overheating. This fuel nozzle achieves the purpose of a high-temperature resistant fuel nozzle for aero-engines.

The utility model relates to the technical field of new energy batteries, in particular to a battery cell assembly structure, which comprises a hard shell, a sealing cover is hermetically mounted on the hard shell, a battery cell mounting cavity for mounting a battery cell is arranged in the hard shell, a first protection component is arranged in the hard shell, and a second protection component is arranged on the inner wall of the battery cell mounting cavity. According to the utility model, the second protection assembly is matched with the shape of the end part of the battery cell, so that the stress on the pole core is more uniform, and the phenomenon that the pole core is extruded by a hard shell to cause polarization difference after the battery cell is circulated due to the increase of the thickness of a pole piece, so that the performance degradation and the safety risk of the battery cell are further avoided; and the limitation of the number of layers of the winding pole cores on the capacity of the battery core is broken through, and a plurality of winding pole cores can be assembled in the technical scheme, so that the capacity of the battery core is ensured, and the problems and potential risks existing in a high-capacity winding pole core are avoided.

The present invention relates to the field of metal material plating, and in particular to a method for electrochemical enhancement of battery electrodes. This method uses a magnetron sputtering process to prepare an electrode structure, and obtains an alternating structure of graphene and silicon. Since the graphene surface area is huge, the bonding with the current collector and the silicon layer is better, and the conductivity and cycle stability of the electrode can be improved. Moreover, since the graphene molecular structure is a three-dimensional hollow structure, it has a large elastic modulus and can absorb the cyclic stress deformation generated by the silicon layer during the cyclic charge and discharge process. When preparing a multilayer structure, the sputtering power is gradually changed, and the transition gradient method can further alleviate the deformation while avoiding the tendency of interlayer cracking. When the Si layer is doped with Cu, the Cu atoms cause lattice distortion inside the Si silicon layer, generating sufficient defects such as dislocations and vacancies, providing a buffer space for subsequent deformation, and further improving the conductivity of the electrode.

A moving device of horizontal machining center, including mounting seat, which is provided with mounting cavity through both ends, sliding seat, which is slidingly connected to mounting cavity, and one end of sliding seat is provided with spindle connecting seat for connecting spindle in the direction of connecting line of both ends of mounting cavity, linear motor, whose stator is connected to mounting seat, and whose mover is arranged along vertical direction and connected to sliding seat, balance cylinder, which is arranged along vertical direction, connected to the surface of mounting seat far from spindle connecting seat, and whose piston rod is connected to the other end of sliding seat, and controller for electrically connecting linear motor and balance cylinder. Compared with prior art, the moving device of the application has high moving speed block and machining efficiency, and is stable in working condition and safe in use.

The utility model provides a vacuum joint belongs to vacuum system technical field. Including the joint main part, the top edge of joint main part is fixed with horizontal butt joint disc, the upper end face of butt joint disc surrounds the joint main part and is equipped with the mounting groove of concentricity, the mounting groove is inlayed with sealing washer, and the mounting groove inner bottom surface elasticity is equipped with a plurality of vertical top post, top post will sealing washer elastic resistance export mounting groove half thickness outside. Top post sets up four, and evenly distributes in mounting groove inner bottom surface. The mounting groove inner bottom surface is equipped with the insertion slot that supplies top post lower end vertical insertion, and the spring that connects top post is fixed in the insertion slot bottom. The utility model discloses, not only convenient for replacing sealing washer, easy to maintain, and can prolong the service life of sealing washer, and the whole use effect is good.

The invention discloses a core-shell structure mineralizer modification-based photocuring 3D printing aluminum-based ceramic core and a preparation method thereof. The aluminum-based ceramic core comprises the following substances in percentage by weight: 65-75% of aluminum-based ceramic powder, 5-15% of a core-shell structure mineralizer component and 15-25% of a photosensitive resin component. The preparation method comprises the following steps: preparing aluminum-based ceramic core slurry, and vacuumizing the aluminum-based ceramic core slurry; injecting the aluminum-based ceramic core slurry into a trough of 3D printing equipment, and printing an aluminum-based ceramic core blank; the aluminum-based ceramic core green body is subjected to ultrasonic cleaning and drying treatment; and the aluminum-based ceramic core blank is subjected to degreasing treatment and sintering treatment, and the photocuring 3D printing aluminum-based ceramic core based on core-shell structure mineralizer modification is prepared. According to the method, the sintering temperature of the 3D printing aluminum-based ceramic core blank can be effectively adjusted, generation of interlayer cracks in the degreasing and sintering process is reduced, and the aluminum-based ceramic core with excellent comprehensive performance is obtained.

The application provides a connecting assembly, a camera module and an electronic device. The connecting assembly comprises a first connecting piece and a second connecting piece. The first connecting piece and the second connecting piece are metal pieces, and surfaces of the first connecting piece and the second connecting piece are provided with insulating layers. One side of the first connecting piece close to the second connecting piece is provided with a first protruding part and a second protruding part. In a first direction, a size of the first protruding part is greater than a size of the second protruding part. The first direction is perpendicular to a circumferential direction of the first connecting piece. One side of the second connecting piece close to the first connecting piece is provided with a first recessed part and a second recessed part. In the first direction, a size of the first recessed part is greater than or equal to a size of the second recessed part. The first protruding part and the second protruding part are accommodated in the first recessed part and the second recessed part respectively. The first protruding part and the first recessed part have a gap in the first direction. The connecting assembly, the camera module and the electronic device provided by the application can make the connecting assembly have structural stability and electrical connection stability.

This application provides a display module and a display device. The display module includes a flexible screen and a support assembly. The flexible screen includes a first display portion and a curved portion disposed adjacent to each other. The support assembly is located on the backlight side of the flexible screen. The support assembly includes a first support portion near the curved portion and a second support portion away from the curved portion. At least one side of the first support portion in the thickness direction is attached to the curved portion, and the second support portion is attached to at least a portion of the first display portion. Along the direction from the second support portion to the first support portion, the first support portion includes a portion with gradually increasing thickness, which facilitates gradually increasing the bending radius of the curved portion, reducing the bending stress of the curved portion, and preventing damage to the film layers in the curved portion, thereby protecting the display module and the display device. Therefore, the display module and display device provided by this application can alleviate the bending stress on the curved portion and prevent damage to the film layers in the curved portion, thereby protecting the display module and the display device.

This invention relates to the field of secondary battery technology and discloses a wound battery. The negative electrode sheet contains silicon-based material with a silicon content of ≥3% by mass. The negative electrode sheet has multiple negative electrode tabs. The arc segment of the positive electrode sheet has a first groove. The arc segment of the negative electrode sheet has a first concave-convex structure including a first protrusion and a first recess, and the projection of the first protrusion is at least partially located within the first groove. This invention reduces internal resistance and uniforms current distribution through the multi-tab structure; mitigates heat generation from lithium desorption through the first groove; releases expansion stress through the first concave-convex structure; and effectively suppresses heat accumulation in the arc region by forming a heat dissipation space through the cooperation of the first protrusion and the first groove, thereby improving the rate performance and high-temperature cycle performance of the battery.