31results about How to "Reduce manufacturing complexity" patented technology

The invention belongs to the technical field of coal mine airtight wall building, and particularly relates to a movable type airtight wall building double-arm operation platform. Comprising a crawler walking mechanism, and a double-operation-arm stacking unit, a brick arranging area, a brick pre-arranging mechanical arm and a brick feeding area are sequentially arranged on the crawler walking mechanism from front to back; the brick pre-arranging mechanical arm is used for moving bulk bricks in the brick feeding area into the brick arranging area and arranging the bulk bricks into brick units according to the width of a wall body; the double-operation-arm stacking unit comprises a left stacking mechanical arm and a right stacking mechanical arm which act independently, the two stacking mechanical arms grab the brick units from the left row of brick units and the right row of brick units correspondingly to conduct wall building, and the two stacking mechanical arms cooperate to conduct wall building within the set length range. By means of the work division operation mode of brick pre-arrangement and overall stacking, the wall building efficiency can be greatly improved; the two stacking mechanical arms open left and right to conduct wall building operation, and the wall building efficiency is doubled compared with a traditional single-mechanical-arm mode.

The invention relates to an oxygen evolution catalyst for hydrogen production through electrolysis of proton exchange membrane water, a membrane electrode and a preparation method of the membrane electrode, and the oxygen evolution catalyst is iridium oxide in a nanoparticle form and contains 2-2.5% of crystal water; the preparation method of the catalyst comprises the following steps: carrying out ultrasonic treatment on an iridium salt solution, mixing the iridium salt solution with magnesium sulfate and water, carrying out ultrasonic treatment, volatilizing a solvent, drying, carrying out ball milling to obtain powder, carrying out high-temperature calcination, dissolving with dilute acid, carrying out suction filtration with water and ethanol until the conductivity is less than 10 [mu] s / cm, carrying out vacuum drying to remove moisture, and grinding to obtain the catalyst. The membrane electrode comprises the catalyst powder prepared by the method and an anode catalyst layer formed by perfluorinated sulfonic acid resin; and the cathode catalyst layer is formed by Pt / C and perfluorosulfonic acid resin. The oxygen evolution catalyst provided by the invention has high activity and high stability, magnesium sulfate is adopted in the preparation method, and the oxygen evolution catalyst has the advantages of simple operation, low cost and the like.

This application claims protection for a pressure vessel, a lighter, and an ignition gun. The pressure vessel includes a gas box and a base plate. The gas box includes a gas box body and a threaded sleeve, which is housed within the gas box body and integrally injection molded with the gas box body. The threaded sleeve is used to connect to an exhaust valve. The base plate is connected and sealed to the gas box body, and a cavity is formed between the gas box body and the base plate to contain fuel. The cavity communicates with the threaded sleeve so that the exhaust valve connected to the threaded sleeve can control the release of fuel. This not only reduces the manufacturing complexity and production cost of the gas box but also ensures the accuracy of the threaded sleeve's assembly position on the gas box body, avoiding tolerance fluctuations and cracking risks between the threaded sleeve and the gas box body. This improves the sealing performance and assembly reliability of the pressure vessel, effectively solving common problems such as poor flameout and ignition failure, and providing a reliable guarantee for the performance improvement of lighters, ignition guns, and other products.

The application discloses an installation structure and an excimer laser, and relates to the technical field of lasers. The installation structure comprises two cavity fixing plates arranged oppositely, a fixing horizontal plate, an adjusting assembly and guide shafts movably connected with the two cavity fixing plates respectively, the two ends of the fixing horizontal plate are connected with the cavity fixing plates respectively, the adjusting assembly and the fixing horizontal plate are used for arranging a discharge cavity, the adjusting assembly is fixedly connected with the fixing horizontal plate and the discharge cavity respectively, and the adjusting assembly is used for adjusting the position of the discharge cavity, the outer sides of the two cavity fixing plates are both provided with module fixing plates fixed with the guide shafts, and the module fixing plates are used for fixing optical modules. The installation structure and the excimer laser can reduce manufacturing difficulty and adjusting complexity.

This application discloses an automotive hood lock, including a lock plate, a hook lock, and an actuating assembly. The lock plate has a receiving groove extending through its top. The hook lock is rotatably connected to one side of the lock plate. The actuating assembly includes a lever plate, a first rotating shaft, a second rotating shaft, and a pawl located on the same side of the lock plate. The first and second rotating shafts are respectively located on opposite sides of the receiving groove and extend through the lock plate. One end of the lever plate and one end of the pawl are both sleeved on the first rotating shaft, and the other end of the lever plate is used to connect to a pull rope. The other end of the pawl and the hook lock are sleeved on the second rotating shaft, and the pawl has a cavity directly opposite the receiving groove. When the pull rope pulls the lever plate to rotate, the pawl drives the second rotating shaft to rotate, thereby causing the hook lock to rotate and switch between a locked position and a released position, thus locking or releasing the hood lock ring placed in the receiving groove. This solves the problems of cumbersome and concealed traditional double unlocking, and significantly improves in terms of ease of operation, environmental adaptability, and structural reliability.

The invention relates to the technical field of aircraft power generation, and discloses a power generation system of an unlimited continuous underwater aircraft, which comprises a main body frame, a wave energy capturing unit, a solar power generation unit, a transmission and power generation unit and a control and energy storage unit, the main body frame adopts a corrosion-resistant steel structure, a latticed photovoltaic mounting area is arranged at the top of the main body frame, and reinforcing ribs and connecting seats connected with the rotary wings are arranged below the main body frame; the wave energy capturing unit comprises rotary wing modules symmetrically arranged on the two sides of the main body frame. A wave energy capturing unit and a solar power generation unit are compositely integrated, an impeller type capturing piece and a permanent magnet synchronous generator are driven by reciprocating swing of rotary wings on the two sides to operate cooperatively, and meanwhile flexible solar cell modules are arranged on the top of a main body frame and the surfaces of the two wings. Parallel collection and complementary power supply of wave energy and solar energy on the same carrier are realized, and all-weather and multi-mode energy capture and continuous power supply of an underwater vehicle in a complex marine environment are realized.

The invention relates to the field of antennas, and particularly discloses a dual-polarized antenna, which comprises a slot antenna layer for radiating a first polarized wave and a microstrip antenna layer for radiating a second polarized wave, wherein the slot antenna layer comprises a waveguide structure, the waveguide structure comprises a plurality of radiation units arranged along a first direction, and each radiation unit comprises a plurality of radiation slots extending along a second direction; the micro-strip antenna layer comprises a plurality of micro-strip oscillator units arranged along a first direction, and each micro-strip oscillator unit comprises a plurality of micro-strip oscillators arranged along a second direction; the microstrip antenna layer is arranged on the slot antenna layer, at least one microstrip array unit is arranged between the radiation units, and projections of the microstrip arrays and the radiation slots on the waveguide structure are not overlapped; the antenna is simple in structure, has the characteristics of low profile, miniaturization and light weight, can obtain the electromagnetic scattering characteristics of a target in different polarization directions, and is suitable for a high-frequency dual-polarized antenna.

The utility model discloses an anthropomorphic dexterous hand and humanoid robot adopting the anthropomorphic dexterous hand. The utility model discloses an anthropomorphic dexterous hand, and the finger driving mechanism includes at least one layer of finger driving motor layer, is equipped with a plurality of finger driving motors in each layer of finger driving motor layer, and each finger driving motor is connected with the finger joint of corresponding hand component through the traction rope, and the number of finger driving motors in each layer of finger driving motor layer is less than or equal to 4; the output shaft of all finger driving motors is outwardly arranged, and the projection in the plane perpendicular to the length direction of arm component does not coincide. The utility model also discloses a humanoid robot, and the anthropomorphic dexterous hand adopting any of the above schemes. The utility model has the advantages of: avoiding the mutual friction, winding and even cutting caused by the path intersection and contact of multiple traction ropes in the narrow space, so that the overall form of the robot arm is more close to the thickness of real human body arm.

The utility model provides a kind of refrigeration device, including box, centrifugal fan and condenser, the bottom of box is equipped with presser cabin, the back of box is equipped with ventilation passage, ventilation passage extends along the height direction of refrigeration device and is arranged, the upper end of ventilation passage extends to the top of box;The air inlet of centrifugal fan is communicated with presser cabin, the air outlet of centrifugal fan is upwards and its air outlet is communicated with the lower end of ventilation passage and butt joint;Condenser is oppositely arranged with the air inlet of centrifugal fan;Centrifugal fan is configured as: when centrifugal fan operates, centrifugal fan can extract air in presser cabin to form airflow, airflow can flow through condenser, then enter centrifugal fan, and then be transported upwards along ventilation passage by the air outlet of centrifugal fan. Ventilation passage can be used as the heat dissipation space of condenser, and condenser is oppositely arranged at the air inlet side of centrifugal fan, airflow can flow through condenser and take away the heat on the surface of condenser and then enter air inlet, to achieve good heat dissipation efficiency.

The invention discloses an end-to-end snapshot compression computer vision method based on a pseudo-random mask array. The method comprises the following steps of: performing single exposure on a video sequence subjected to space-time light intensity modulation by using a two-dimensional image sensor and a pseudo-random binary mask to obtain a corresponding two-dimensional (2D) compression measurement value; a video reconstruction is taken as a proxy task, a trained compression denoising auto-encoder model is utilized to extract potential spatial-temporal feature representations from the 2D compression measurement values, and the compression denoising auto-encoder model comprises a shared encoder and at least one task-specific decoder. The shared encoder is configured to extract the potential spatio-temporal feature representation from the 2D compressed measurements; and inputting the potential spatio-temporal feature representation into the decoder to obtain a dynamic result of the downstream computer vision task. According to the method, the image reconstruction complexity and the calculation cost are remarkably reduced, the excellent performance can still be kept especially in an extremely low illumination scene, and the privacy protection characteristic is achieved.

The application relates to the technical field of medical devices, in particular to an anchor assembly and an anchor implantation system. The anchor assembly comprises a plurality of first anchor units. Each first anchor unit comprises a first anchor and a first suture segment wound around the first anchor. One end of the first suture segment is a first pulling end used for connecting with an adjacent first anchor unit. When the first pulling end is pulled, the first suture segment is wound into a locking knot, and the first suture segment is bound to the first anchor. The application aims to solve at least one technical problem in the background art and provides an anchor assembly and an anchor implantation system.

This utility model discloses a high-speed slitting machine, relating to the field of production machinery, which solves the problem of high cost in existing bag-making machines. The key technical points are: it includes a cutting device; the cutting device is used to cut valve bags; the cutting device includes a cutting mechanism, a bag-pressing mechanism, and a driving mechanism; the cutting mechanism includes a reciprocating assembly and a cutting blade; the cutting blade is mounted on the reciprocating assembly; the reciprocating assembly drives the cutting blade to reciprocate vertically; the bag-pressing mechanism includes a pressing assembly and a pressing blade; the pressing blade is mounted on the pressing assembly; the pressing assembly drives the pressing blade to reciprocate vertically; the driving mechanism is connected to the reciprocating assembly and the pressing assembly, driving them to move synchronously; when the cutting blade is at the lowest point of its reciprocating stroke, the pressing blade is also at the lowest point of its reciprocating stroke; when the cutting blade is at the highest point of its reciprocating stroke, the pressing blade is at the highest point of its reciprocating stroke. This achieves the goal of reducing costs.

This utility model relates to the field of dual dynamic driver headphone technology, aiming to solve the problems of existing push-pull dual dynamic driver headphones where a single dynamic driver unit is the main source of sound, resulting in limited dynamic range and output efficiency, and parallel dual dynamic driver headphones where the multi-cavity design leads to increased size and weight, and discomfort when worn. The present invention provides a rear-mounted dual dynamic driver headphone, including a housing, within which a first dynamic driver unit and a second dynamic driver unit are installed, arranged back-to-back. The space formed between the diaphragm side of the first dynamic driver unit and the housing is the front cavity of the first dynamic driver unit, and the space formed between the diaphragm side of the second dynamic driver unit and the housing is the front cavity of the second dynamic driver unit. The space between the two dynamic driver units is a shared rear cavity. The front cavities of the first and second dynamic driver units are connected by an acoustic channel. A sound outlet is provided on the housing, and the front cavity of the second dynamic driver unit is connected to the sound outlet. This utility model has significant improvements in sound quality, wearing comfort, and production efficiency.

This invention discloses a siphon heat pipe radiator for an outdoor unit of an air conditioner, relating to the field of energy-saving air conditioning. It includes an evaporator and a condenser connected together. The evaporator is mounted on the outdoor unit of the air conditioner. The condenser includes a manifold connected to the outlet of the condenser. A first partition plate is arranged inside the manifold along a first direction and is connected to the evaporator. The first partition plate divides the manifold into an upper chamber and a lower chamber, which are sequentially distributed along a second direction. A connecting area is formed between the side of the first partition plate away from the evaporator and the side wall of the manifold, connecting the upper and lower chambers. Through holes are formed on the first partition plate. A proximal region, a middle region, and a distal region are formed on the first partition plate along the first direction, with the density of through holes corresponding to the proximal, middle, and distal regions increasing sequentially. This invention solves the problems of gas-liquid entrainment and uneven vapor distribution.

The utility model provides a simulation nose landing gear turning device. The simulation nose landing gear turning device comprises a steering column, a steering driving mechanism and a combined shell assembly. The steering driving mechanism achieves the function of driving the steering column to rotate through transmission of an air cylinder, a linear guide rail and a gear rack, the structure is simplified, and the machining precision requirement is lowered. The combined shell is composed of the left shell, the right shell and the end cover, and installation, maintenance and teaching are convenient. According to the invention, the manufacturing and maintenance cost can be obviously reduced, the hydraulic oil leakage problem is avoided, and the teaching and maintenance convenience is improved.

The utility model provides a kind of bag body leakproofness detection equipment, it is related to leakproofness detection technical field, the bag body leakproofness detection equipment provided by the utility model includes first support frame, driving device, pressing plate and detection device;First support frame has supporting surface;Pressing plate is located above first support frame along vertical direction, and the first avoiding gap of avoiding product surface upper convex structure is opened in pressing plate, driving device is connected with pressing plate and drives pressing plate to move along vertical direction;Detection device is connected with driving device and is configured to fill in test medium into product and block the test medium outlet of product.The bag body leakproofness detection equipment provided by the utility model is favorable to guarantee the accuracy of test result, and convenient for product's taking and placing material operation.

The invention belongs to the technical field of aero-engine ground test equipment, and particularly discloses an integrated device with multi-type positioning and environment simulation functions. The tool comprises a supporting structure, a positioning structure and a box body structure. The supporting structure is a rigid framework formed by longitudinally and transversely welded rib plates, and an outer partition plate integrated with a multifunctional connector is fixed to one side of the supporting structure. The positioning structure is installed on the rib plate in a modularized mode through the replaceable installation sleeve and comprises at least two horizontally-adjustable positioning assemblies and one vertically-adjustable positioning assembly, the positioning requirements of aviation products of different models can be rapidly met by replacing the installation sleeve, and the positioning pin can freely move in the axial direction to compensate thermal expansion. The box body structure comprises side plates and a top plate and can be rapidly disassembled and assembled with the supporting structure, when an environment test is needed, the box body structure and the supporting structure jointly define a heat-preservation and sealed simulation environment cavity, and lubrication, sensing and temperature control gas conveying is conducted through reserved connectors in the outer partition plate. The universal positioning function and the integrated environment simulation function are highly integrated, the technical problems that an existing tool is single in function, inconvenient to switch and complex in simulation environment construction are solved, the test efficiency is remarkably improved, and the table building cost is reduced.

The present disclosure provides an in-slot cooling channel for an electric machine. A cooling manifold (112, 800) for an electric machine (14, 100) is presented that utilizes a hollow bolt (110) feed solution that utilizes an existing bolt structure and an interface with a housing (201) of the electric machine to form a fluid passage for directing coolant to an interior portion of a stator of the electric machine (14, 100). The hollow bolt (110) forms a sealed fluid interface without the need to add additional seals, thereby reducing the manufacturing complexity of the motor (14, 100). In-slot cooling with a manifold (112, 800) or with a plurality of said manifolds can eliminate the dependence on slot liners and varnishes for limiting relative movement of end windings of the stator and providing electrical isolation while also cooling the hottest portion of the electric machine (14, 100), significantly affecting the thermal confinement capability of the electric machine.

This utility model relates to the field of battery pack technology, and discloses a front panel assembly and a battery pack. The front panel assembly includes: a panel body, on which at least one mounting cavity and a connecting post are provided, the connecting post extending away from the panel body and forming a bearing surface; a baffle, which can be opened and closed to cover the mounting cavity and has a locking hole aligned with the connecting post, the locking hole penetrating the baffle, and having a limiting surface flush with the bearing surface within the locking hole; and a locking member, which is detachably inserted into the locking hole and connected to the connecting post, and the head of the locking member simultaneously abutting against both the bearing surface and the limiting surface. The advantages of this utility model are that it is easy to maintain, structurally stable, and provides good protection.

The invention relates to the technical field of antennas, in particular to a marginal inductive loading-based radio frequency identification miniaturized narrow-beam antenna, which comprises a top dielectric substrate and a bottom dielectric substrate, the lower surface of the bottom dielectric plate is provided with a reflection copper-clad grounding plate, and the upper surface is provided with a feed network. The upper surface of the top layer dielectric substrate is provided with a rhombus metal patch with two feeding points, and four corners of the rhombus metal patch are respectively located at the midpoint positions of four edges of the top layer dielectric substrate; the four corners of the top layer dielectric substrate are respectively provided with a triangular parasitic patch, and each triangular parasitic patch is connected with the reflection copper-clad grounding plate on the lower surface of the bottom layer dielectric substrate through a short circuit screw. The top layer dielectric substrate and the bottom layer dielectric substrate are kept at an interval of a specific height through the short circuit screws, so that an air layer is formed; and two feed points of the rhombic metal patch are respectively connected with a feed network on the upper surface of the bottom dielectric substrate through a metal probe which vertically penetrates through the air layer.

The application discloses a logistics grading and sorting conveying belt, which comprises a base, a receiving plate and a connecting shaft assembly. The conveying belt is arranged on the supporting surface of the base. The receiving plate is arranged at the discharging end of the conveying belt along the length direction of the conveying belt. The connecting shaft assembly is arranged at the lower side of the conveying belt and the receiving plate respectively. The receiving plate swings around the discharging end of the conveying belt through the connecting shaft assembly. The application creatively adopts a cooperation mechanism of a T-shaped guide plate and an integrated sliding part. A linear driving power (an electric sliding block) is ingeniously converted into accurate swinging of the receiving plate in three different directions through a T-shaped guide plate and intersecting guide grooves on the T-shaped guide plate. The design replaces multiple independent driving mechanisms commonly used in traditional multi-direction sorting with a single driving source (an electric sliding rail and a sliding block) and a simple mechanical structure, greatly simplifies the mechanical structure, reduces the number of parts, and lowers the equipment manufacturing cost and subsequent maintenance complexity.

The invention relates to a rotor of an electric motor, the rotor comprising a rotor stack arranged on a rotor shaft of the rotor, and the rotor stack comprising a rotor yoke and a plurality of rotor teeth, each carrying an excitation winding. The rotor further comprises at least two segments which at least divide the rotor stack in the circumferential direction of the rotor, each segment comprising at least one rotor tooth with the excitation winding thereof, and at least one part of the segments comprising a section of the rotor yoke which is embodied in one piece with the corresponding rotor tooth of the segment. In this case, the sections are joined to each other via a force-fitting and / or form-fitting connection. The connection is at least partially established in such a way that the segments are clamped against each other by a force acting on the rotor stack, the force being formed as a result of a shaft-hub connection present between the rotor stack and the rotor shaft. The invention further relates to a method for producing a rotor.

The utility model discloses a kind of sequential tightening mechanism based on coordinate control, belong to mechanical assembly technical field.The mechanism includes frame and the guide rail assembly of three directions of X, Y, Z set on it, X direction displacement sensor, Y direction displacement sensor and Z direction displacement sensor are respectively equipped on the guide rail assembly.Z direction guide rail seat is equipped with electric torque gun by Z direction telescopic sleeve, and gravity balance is carried out by spring balancer.The core of the utility model is, three displacement sensors real-time feedback the space coordinates of tightening gun, and carry out linkage control with the preset sequential coordinate program in tightening controller, only when operator moves to the correct coordinate point of current only unlocking and completes qualified tightening, system only then unlocks next coordinate point.So fundamentally, it eliminates the repeated tightening and missing problem in multi-thread connection assembly, simple structure, low cost, and mistake-proofing reliability is high.

The application discloses a kind of steer-by-wire systems and control method, specifically relates to steering control unit technical field, system initialization after motor enters current closed loop mode, motor torque is applied to make rack uniform speed move to left or right;When satisfying motor torque size is greater than threshold value and motor angle no longer changes, record the point A n , motor angle x n And motor turns r n ;If n is not greater than threshold value, change motor torque direction, make rack move in opposite direction;Otherwise, according to record motor turns r n And motor angle x n , calculate the total angle of motor rotation between each adjacent two point, obtain rack full stroke angle range S;In current loop control mode, apply opposite direction torque to make rack move S / 2, reach rack zero position vicinity;After zero position determination, TAS rotation angle is converted using motor rotation angle and TAS rotation angle transmission ratio, realize rotation angle closed loop control;Vehicle is in low-speed straight line driving, rack zero position is constantly corrected, and power-off zero position is stored.

The invention relates to the technical field of communication antennas, in particular to a four-arm helix-based internally and externally nested satellite communication antenna implementation method, which comprises a transmitting antenna, a receiving antenna, a tetrafluoroethylene hollow tube and a PCB (Printed Circuit Board) feed panel, the transmitting antenna comprises four transmitting signal arms, the receiving antenna comprises four receiving signal arms, and the rotating directions of the transmitting antenna and the receiving antenna are opposite; the transmitting antenna and the receiving antenna are arranged in an inner layer and an outer layer according to concentric circles, the transmitting antenna is arranged on an outer ring, and the receiving antenna is arranged on an inner ring. A four-arm spiral structure with opposite rotation directions is adopted, and a transmitting antenna and a receiving antenna are nested and integrated inside and outside in a concentric circle mode, so that integration and structure compactness of the transmitting antenna and the receiving antenna are realized, and a core foundation is laid for miniaturization of whole equipment; meanwhile, the structure can naturally form the radiation characteristics of transmitting left-hand circular polarization and receiving right-hand circular polarization, and the basic requirement of satellite communication for polarization matching is met.

The application provides a gas supply system and a control method thereof, which comprises a condenser and a first pipeline, a first flasher, a second pipeline, a compressor and an evaporator, one end of the first pipeline is in liquid communication with the condenser, an inlet end of the first flasher is in liquid communication with the other end of the first pipeline, one end of the second pipeline is in gas communication with the first flasher, the compressor comprises a shell, a first inlet end is arranged on the shell and is in gas communication with the other end of the second pipeline, a first outlet end is also arranged on the shell and is in communication with the evaporator, the shell has a mounting cavity, the first outlet end and the first inlet end are both in communication with the mounting cavity, and a gas supply part is arranged in the mounting cavity. The application generates high-pressure gas by using high-pressure liquid refrigerant in the flasher, discards the high-energy-consumption electric heater scheme, eliminates the heating electric energy consumption from the source, and solves the technical problem of large energy consumption of the compressor gas supply system in the prior art.

The refrigeration equipment comprises a door body, a lamp assembly and an induction assembly, the door body comprises a frame and a panel, the panel covers the front side of the frame, the frame comprises a first frame, the first frame comprises a first containing cavity, a second containing cavity, a first opening and a second opening, the lamp assembly is arranged in the first containing cavity, and the induction assembly is arranged in the second containing cavity. Light emitted by the lamp assembly is emitted outwards through the first opening; the induction assembly is arranged in the second containing cavity and comprises an induction end, the induction end conducts induction through the second opening, the lamp assembly and the induction assembly are arranged in the first containing cavity and the second containing cavity of the first frame respectively, and the light output and induction functions are achieved through the first opening and the second opening. The lamp assembly not only can provide illumination, but also can play a covering role on the outer side of the induction assembly, and an additional cover plate needed by an induction module in a traditional design is omitted, so that production materials and assembly procedures are reduced, and the manufacturing cost and complexity are reduced.

The application discloses a kind of discrete developable surface construction and optimization method, system, equipment and medium, the method includes: obtaining quadrilateral grid;According to quadrilateral grid, parallel quadrilateral cell in chessboard distribution is constructed inside quadrilateral grid, and establish developable surface geometric model;The constraint of developable surface geometric model includes: having the constraint of chessboard pattern with embedded parallel quadrilateral, equiangular constraint, shape similarity constraint and equidistance constraint;Developable surface geometric model is solved, and discrete developable surface with congruent parallel quadrilateral is obtained;The geometric feature of the discrete developable surface is encoded into uniform plane unit, so that each surface sheet can be processed and formed using the same machining parameter or the same mold set.The application significantly reduces the number of molds and manufacturing complexity, and improves the feasibility of engineering implementation.The application integrates the chessboard pattern construction, equiangular and equidistance geometric constraints and engineering solving process into the same technical system, realizes the complete engineering process from quadrilateral grid to discrete developable surface.The application is suitable for being applied to building curved surface structure and curtain wall unit design, deployable shell and foldable structure modeling, sheet bending and sheet metal forming design, engineering shell and cladding structure design, and assembly type structure manufacturing based on plane sheet, etc.

This application provides a top cover for a battery casing, a battery casing, and a battery cell, relating to the field of battery technology. The top cover of the battery casing includes a cover plate and at least one support. At least one support is disposed on the cover plate. A channel extending along a first direction is formed between the support and the cover plate. At least one support member is disposed within the channel. The support and at least one support member are an integral structure. In the event of thermal runaway, the support member can effectively maintain the structural shape of the channel, thereby limiting excessive compression or blockage of the exhaust channel, and ensuring that the pressure relief mechanism can properly release pressure, thus reducing the risk of internal pressure buildup and explosion.