199results about "Window arrangements" patented technology

The viewing window for the roof of the passenger train comprises an outer frame, the outer frame is of a hollow frame structure, the outer frame is of an arc-shaped structure with the middle protruding, a display assembly is installed in the outer frame, the display assembly is matched with the bent shape of the outer frame, the display assembly comprises a first transparent plate and a second transparent plate, and the first transparent plate is connected with the second transparent plate. The first transparent plate and the second transparent plate are glued and fixed, the first transparent plate is arranged on the outer side of the second transparent plate, the second transparent plate is close to the inner side of a carriage, a liquid crystal dimming film is arranged between the first transparent plate and the second transparent plate, and the liquid crystal dimming film is connected with a voltage or current control circuit in a vehicle body to change the light transmittance of the liquid crystal dimming film. According to the viewing window for the roof of the passenger train, in the display assembly, the laminated glass and single-layer glass structure is adopted to be bonded with the liquid crystal dimming film, the intensity of light in the train can be manually adjusted according to different time periods and illumination conditions, and more comfortable, safer and more environment-friendly travel experience is provided for passengers.

The invention provides a transparent bulletproof ceramic composite structure with an electric heating function and a preparation method of the transparent bulletproof ceramic composite structure. The composite structure comprises an anti-splashing layer (1), a first middle layer film (2), a multi-layer stacked structure (3) of glass sheets and films, a first transition layer (4), an electric heating film layer (5), a second transition layer (6), a ceramic layer (7), a first antireflection film layer (8), a second antireflection film layer (9), a third antireflection film layer (10), a second middle layer film (11), an inorganic glass layer (12), a third transition layer (13) and an anti-static layer (14) which are arranged in sequence. The composite structure provided by the invention has excellent impact resistance and bulletproof grade, can effectively resist the damage of high-speed elastic sheets or impact objects, and meets the requirements of high-safety application scenes such as weapon armors, armed airplanes and high-speed trains; and the anti-static film has clear optical observation capability, high transmissivity and anti-static property.

The utility model relates to a connecting device between a motor train unit window outer frame and a train body, and belongs to the technical field of motor train unit accessories. According to the technical scheme, the upper edge, the lower edge, the left edge and the right edge of the peripheral ring of a window outer frame are connected with a vehicle body B-shaped beam at a window through a plurality of installation structures; the mounting structure comprises a mounting plate, a puller bolt, a draw-in bolt, a locking nut and a sliding block, the puller bolt is of a hollow structure, and the draw-in bolt penetrates through the hollow structure of the puller bolt, enters the hollow structure of the window outer frame through the through hole and is in threaded connection with the threaded hole of the sliding block. The puller bolt and the draw-in bolt form a double-bolt structure. The car window structure has the advantages that the car window structure is installed on the carbon steel car body, it is guaranteed that car window glass of a power concentration motor train unit with the speed of 200 kilometers per hour is flush with the car body, a window frame is not exposed, safety and firmness of the car window structure are improved, and installation is convenient and fast.

The utility model relates to a motor train unit window installing, adjusting and fixing mechanism which comprises a window outer frame, a fixing base, a fastening nut, an adjusting screw sleeve and a fastening bolt. The lower portion of the fixing base is fixedly arranged on the surface of a vehicle body, and the adjusting screw sleeve is arranged on the upper portion of the fixing base and matched with the fixing base. The fastening nut is arranged on the adjusting screw sleeve in a sleeving manner, is in threaded fit with the adjusting screw sleeve, and abuts against the upper part of the fixed seat; the upper part of the window outer frame is fixedly connected with the inner side of the window surface; the rod end of the fastening bolt penetrates through the adjusting screw sleeve and then is fixedly connected with the lower portion of the car window outer frame. According to the utility model, the operation difficulty of repeated disassembly during installation is reduced, the installation efficiency is improved, the adjustment precision is improved, and the working intensity is reduced.

The present invention provides an integrated module device based on a vehicle-mounted perception sensor and an implementation method, comprising: a housing; a protective lens; a perception processing unit is arranged in the housing; the perception processing unit includes a processor; a switch chip; a laser radar module; a camera module; a rain and snow sensor, fixed in the top area of ​​the housing and electrically connected to the processor; and also includes a cleaning assembly, which is driven by the feedback of the rain and snow sensor to clean the protective lens. This technical solution is integrated and unified, and is arranged in the top area of ​​the train. It is not only easy to install, but also has a good field of view, which is conducive to the information capture of radar and camera, and avoids the influence of dirty train glass and unsatisfactory reflectivity on the device. Moreover, the cleaning assembly arranged by itself can clean the protective lens in real time, thereby avoiding the influence of factors such as low accuracy in bad weather, and ensuring the accuracy of the operation of the device.

The utility model discloses a high-air-tightness movable window on a train, which belongs to the technical field of train windows and comprises a window frame for the train and a sealing window fixed in the window frame, a movable window is movably connected in the window frame, a handle is fixed on the outer wall of one side of the movable window, and two limiting columns are symmetrically fixed on the outer wall of one side of the movable window. The outer portions of the limiting columns are movably connected with adjusting plates, connecting columns are fixed to the sides, facing the movable window, of the adjusting plates, push blocks are fixed to the end faces, located in the movable window, of the connecting columns, a mounting groove is formed in the movable window, a plurality of limiting blocks are fixed in the mounting groove of the movable window, and positioning columns are movably connected into the limiting blocks. A plurality of positioning holes matched with the positioning columns are formed in the inner walls of the two sides of the window frame. The high-airtightness movable window on the train is convenient to open and close, the ventilation effect in a train carriage is guaranteed, and the stability of the movable window can be guaranteed.

Vehicle with Rain Detection The present invention relates to a vehicle (10) comprising a driver's cab (12), said cab comprising a windshield (14), the vehicle comprising windshield wipers (16) fitted to the windshield, the vehicle further comprising a device (20) for activating the windshield wipers. The activation device includes a rain sensor (22) located outside the vehicle. Figure for the abstract: Figure 1

The utility model relates to the technical field of roller shutter mechanisms for external hanging type curtains, and discloses a roller shutter mechanism for an external hanging type curtain, which comprises a mounting seat, a mounting block fixedly mounted at the top of the mounting seat, a mounting frame fixedly mounted at the bottom of the mounting seat, a roller shutter mechanism arranged inside the mounting seat, and a drawing mechanism arranged inside the mounting seat. The rotating stability is guaranteed by arranging a damping block, the curtain can stay at any position by arranging a ratchet wheel, when a sliding block downwards presses a connecting square column, the end, close to a first magnet, of a left fixing seat is made to rotate downwards through a connecting block, the ratchet wheel is unlocked, under the action of a torsional spring, the curtain is rolled back through a sleeve, and when the sliding block abuts against an ejection block, the curtain is fixed. When the sliding block slides inside the mounting frame, the curtain is prevented from shaking in the moving process of a train or a high-speed rail, and the stability of the device is improved.

The invention discloses a rail car window capable of being locked quickly, which comprises a window structure, an adjusting locking structure is fixedly mounted in the window structure, a buffer falling structure is fixedly mounted in the window structure, the window structure comprises a train wall with a hollow structure inside, and a guide groove is formed in the inner side of the train wall. Meanwhile, mounting grooves are formed in the two sides of the train wall in a penetrating mode, a cavity through plate is fixedly mounted in the train wall, a glass train window body capable of achieving lifting adjustment is arranged in the train wall in a sliding mode, a connecting plate is fixedly mounted on the surface of each mounting groove through a fixing nut, and a hook-and-loop fastener set is fixedly mounted on one side of each connecting plate; and meanwhile, the wiping cloth and the rubber sponge block are connected with one side of the connecting plate in an adhering mode through the hook-and-loop fastener set, the wiping cloth and the rubber sponge block extend into the wall of the train to make contact with the two sides of the glass train window body, and the rail car window capable of being rapidly locked plays a role in fixed installation through the arranged cavity through plate.

The application provides an automatic snow-melting and deicing shutter, which comprises a shutter body and a heating unit, the shutter body comprises a frame body, a plurality of air guide grids and a plurality of dust collection grids, the plurality of air guide grids are arranged in parallel along the length direction of the frame body, and both ends of each air guide grid are connected with the frame body; the plurality of dust collection grids are arranged in parallel along the length direction of the frame body, and both ends of each dust collection grid are connected with the frame body, and one dust collection grid is arranged between any two adjacent air guide grids; the heating unit comprises a power supply, a control member and a heating assembly, the heating assembly is connected with the power supply through an electric circuit, and the control member is arranged between the heating assembly and the power supply; the heating assembly comprises a plurality of heating members, the number of the heating members is the same as that of the air guide grids, and the heating members and the air guide grids are arranged in one-to-one correspondence. The application provides an automatic snow-melting and deicing shutter which has the advantages of simple structure, high automation degree, easy maintenance, high reliability and high thermal efficiency.

The utility model relates to the technical field of rail traffic vehicle window glass, and discloses safe and reliable rail traffic vehicle window glass which comprises an inner glass body and an outer glass body, an outer frame assembly is arranged on the outer side of the inner glass body, and a mounting rod assembly is fixedly connected to the center of the outer frame assembly. A first supporting assembly and a second supporting assembly are arranged in the center of the mounting rod assembly; through mutual cooperation of a mounting rod assembly, a first supporting assembly and a second supporting assembly, when an outer glass body is impacted by the outside, impact force borne by outer side glass can impact a first supporting soft rod and a second supporting soft rod, and the first supporting soft rod and the second supporting soft rod are pressed to pull a first torsional spring to rotate; the first torsional spring generates elastic force to reset the first supporting soft rod and the second supporting soft rod, counter-acting force is provided to neutralize the impact force, it is guaranteed that the impact force of the inner glass body cannot impact the inner glass body, and the inner glass body is prevented from breaking and hurting passengers.

The embodiment of the invention provides a rail vehicle window and a rail vehicle. The rail vehicle window comprises a shell assembly, a sealing assembly, a glass heat insulation assembly and an air exhaust assembly. A sealing assembly is arranged in a mounting groove of the shell assembly, a glass heat insulation assembly is arranged in a sealing clamping groove of the sealing assembly, the glass heat insulation assembly comprises two glass plates which are arranged at intervals in the thickness direction, the two glass plates and the sealing clamping groove form a sealing heat insulation cavity, and a gas extraction assembly extracts gas in the sealing heat insulation cavity; heat conduction and convection can be reduced by sealing the heat insulation cavity, heat transfer is effectively blocked, the heat insulation performance is improved, and condensate water caused by internal and external temperature difference is reduced; a low-air-pressure or nearly-vacuum state is formed in the sealed heat insulation cavity, so that the heat insulation performance of the vehicle window is remarkably improved; the design of the air exhaust assembly facilitates later inspection and maintenance, air can be extracted again when necessary so as to recover the optimal heat insulation effect, and maintenance is convenient.

The invention discloses a passenger train side wall structure and a passenger train, the passenger train side wall structure comprises a side wall plate, a cross beam and a vertical beam side wall plate, the side wall plate is provided with a plurality of window body assemblies at intervals, and each window body assembly comprises at least two windows arranged up and down; the cross beams are horizontally arranged on the side, deviating from the interior of the vehicle body, of the side wall plate in the length direction of the side wall plate and arranged on at least one of the upper side and the lower side of each window; the vertical beams are vertically arranged on the sides, away from the interior of the vehicle body, of the side wallboards in the height direction of the side wallboards. The vertical beams are arranged on at least one of the left side and the right side of each window. Wherein one of the cross beam and the vertical beam is provided with a receding opening, and the other one of the cross beam and the vertical beam penetrates through the receding opening; the cross beams and the vertical beams are at least arranged on the peripheral side of the window so as to guarantee the structural strength of the window position, the avoiding openings in the cross beams or the longitudinal beams can enable the connecting positions of the cross beams and the longitudinal beams to form a #-shaped structure, and the connecting positions of the longitudinal beams and the cross beams form good fatigue resistance and safety performance.

The embodiment of the invention provides a cab and a railway vehicle, and the cab comprises an integrally formed cab hood which comprises two glass fiber reinforced plastic layers and a sandwich layer located in the middle; the cab hood is provided with mounting interfaces for mounting a windshield, external lighting, head lamp glass and a window wiper; the cab steel structure comprises a front wall assembly, a rear end wall assembly, a waist beam assembly and two side wall assemblies which are oppositely arranged in the transverse direction, and the waist beam assembly is connected with the front wall assembly and the side wall assemblies. The side wall assembly is connected with the front wall assembly and the rear end wall assembly in the longitudinal direction. The side wall assembly is provided with a movable window installation connector and a fixed window installation connector. The cab hood is located on the cab steel structure and fixed to the cab steel structure. The light-weight arrangement of the cab structure is realized by reducing the range of the cab steel structure; meanwhile, the manufacturing cost of dies, testing fixtures, bent parts and the like is reduced, and the economical efficiency is improved.

The invention relates to a system for fastening side glazing of a means of transport, in particular train glazing, to a peripheral window opening, the glazing being fixed multiple glazing, the window opening comprising a lock (10) which is fastened to the window opening, the lock (10) having a lateral wing that extends inside the securing cavity (77) and faces an edge of the intermediate face (61) of the internal glazing (6) through rotation of the lateral wing (12) by 90°, an external seal (99) which is preferably hollow, the external seal (99) having an internal face (99d), the lock (10) comprising at least one projection (10a, 10b) extending toward the external space (E), the external seal (99) comprising a groove (99c) which is arranged on its periphery and which extends from the internal face (99d) toward the external space (E).

The invention relates to a method, a system and a determination device (30) for the technical configuration of a track-bound vehicle (1). The invention also relates to a production method for producing a track-bound vehicle (1). The invention also relates to a computer program, and to a device for providing the computer program. In order to improve the configuration of the track-bound vehicle, requirement information (AI), which represents requirements placed on a desired track-bound vehicle, is provided (B). Furthermore, platform information (PI1, PI2, PI3), which represents features of a vehicle platform (32, 34, 36), is provided (C2) and solution information (LI), which represents a vehicle solution for at least partially meeting the requirements, is determined (D), wherein the solution information (LI) is determined using the platform information (PI1, PI2, PI3) on the basis of the requirement information (AI).

The utility model relates to a roof cover observation window and a locomotive, relates to the technical field of railway transportation equipment, and aims to solve the problem of water leakage at the joint of the roof cover observation window and a locomotive body. The vehicle roof cover observation window comprises: a housing provided with at least one window; the at least one piece of glass is arranged on the at least one window; one end of the bottom connecting assembly is connected with the shell, and the other end of the bottom connecting assembly is connected with a vehicle body; and one end of the sealing welding piece is connected with the part, extending into the shell, of the bottom connecting assembly, the other end of the sealing welding piece is connected with the vehicle body, and the sealing welding piece is used for sealing a gap between the bottom connecting assemblies. According to the utility model, a rubber part sealing mode is replaced by a welding sealing mode. The welding sealing mode is a rigid connection mode, so that the sealing structure has the characteristics of high temperature resistance and pressure resistance. The influence of an external high-temperature environment and the influence of air negative pressure generated inside and outside the automobile are avoided. Therefore, the sealing performance of the joint is improved.

Provided is a track engineering mechanical vehicle heat preservation device, which comprises a heat preservation type vehicle body and a heat preservation type floor arranged at the lower end of the heat preservation type vehicle body, a window heat preservation structure is arranged at the window mounting opening and the window connecting position of the heat preservation type vehicle body, a door heat preservation structure is arranged at the door mounting opening and the door connecting position of the heat preservation type vehicle body, and a sealing heat preservation structure is arranged at the through hole for small part mounting on the heat preservation type vehicle body; a heat preservation type movable floor is arranged at the access opening of the heat preservation type floor, one end of the heat preservation type movable floor is hingedly connected to the corresponding position of the access opening, and the other end of the heat preservation type movable floor is detachably fixedly connected to the heat preservation type floor through a triangular lock. The heat preservation structure of the track engineering mechanical vehicle is optimized, the problem that the temperature difference between the inside and outside of the track engineering mechanical vehicle is large due to the large temperature difference between the north and south climates is solved, the energy consumption of the air conditioner refrigeration and the electric heater heating power is effectively reduced, the demand of the current different regional high-speed rail lines is met, the heat preservation performance and the safety and comfort of the whole vehicle are ensured, and the energy consumption is reduced.

The embodiment of the invention provides a manufacturing method of a polycarbonate composite board, the composite board and a railway vehicle, and the manufacturing method comprises the following steps: immersing a glass fiber precursor into an impregnating compound containing silane, continuing for a preset time, and drying to obtain siloxane-treated glass fiber; respectively putting the composite board composition into an extruder, melting the composite board composition, and extruding and pressing through a melt distributor and a die head to obtain a composite board; the composite board composition is prepared from polycarbonate with flame retardant capacity, silicon-containing copolycarbonate, siloxane-treated glass fibers and an ultraviolet absorbent, the composite board comprises a polycarbonate layer, glass fiber layers located on the upper surface and the lower surface of the polycarbonate layer and anti-ultraviolet layers located on the surfaces of the glass fiber layers. According to the manufacturing method of the polycarbonate composite board provided by the embodiment of the invention, the composite board has relatively high hardness and high weather resistance.

The embodiment of the invention provides a side wall plate structure and a bullet train. The side wall plate structure comprises a vehicle body, a vehicle window and a wall plate main body. The car window is installed on the car body, the wallboard body is arranged on the side, away from the car body, of the car window and connected with the car body, the wallboard body comprises a frame assembly, the frame assembly comprises a frame piece, an installation base and a first connecting piece, the installation base is arranged at the bottom of the frame piece, and the first connecting piece is arranged between the window frame and the frame piece. One end of the first connecting piece is connected with the window frame through a first fastener, and the other end is connected with the mounting seat through a second fastener. The wallboard body further comprises a second connecting piece, the second connecting piece is arranged at the bottom end of the wallboard body, the second connecting piece is connected with the vehicle body through a third fastening piece, and the bottom end of the wallboard body is connected with the second connecting piece. According to the embodiment of the invention, the stability of the side wall plate structure is improved through the first connecting piece and the second connecting piece.

The invention provides a car window weight reduction device and a car window detection control system. The car window weight reduction device comprises a motion guide device and a pressure reduction supporting structure. The two ends of the pressure reduction supporting structure are slidably connected to the movement guiding device, one end of the movement guiding device is fixed to the car window, the other end of the movement guiding device is fixed to the car body, and when the car window moves up and down, the pressure reduction supporting structure can slide leftwards and rightwards towards the two sides on the movement guiding device. Through the unique sliding connection mode of the pressure reduction supporting structure and the movement guiding device, when the car window moves up and down, the pressure reduction supporting structure can slide leftwards and rightwards towards the two sides on the movement guiding device, and the gravity borne by the car window can be effectively decomposed.

The invention relates to a high-speed motor train unit window with an anti-falling structure and a mounting method and a dismounting method of the high-speed motor train unit window, and belongs to the technical field of high-speed motor train unit window equipment. According to the technical scheme, an outer sleeve frame and a vehicle body are fastened and positioned through a plurality of mounting ratchet wheel assemblies; a vertical rib I is arranged on the outer surface of the inner sleeve frame, a vertical rib II is arranged on the inner surface of the outer sleeve frame, and the vertical rib I and the vertical rib II are adjacently arranged and are fixedly connected with the special-shaped rivet nut through a mounting screw I; an angle aluminum fixing frame is installed on the inner surface of the inner sleeve frame through second installation screws and nuts, the connecting portion of the inner surface and the outer side face of the inner sleeve frame is in a groove shape, and second sealant is filled among the angle aluminum fixing frame, the inner surface and the outer side face of the inner sleeve frame and the window glass. According to the invention, the window can be prevented from falling off when the train runs at a high speed; the vehicle window glass is simple and easy to replace and maintain; the vehicle outer frame, the vehicle inner frame and the vehicle window glass are sealed through the sealant, and the air-tight seal of the vehicle window is improved.

The invention relates to a fixing system for fixing a side glazing of a vehicle, in particular a train, to a peripheral window opening, said glazing being a fixed multi-layer glazing, said window opening comprising a lock (10) fixed to said window opening, said lock (10) having a side wing portion extending to the inside of an attachment cavity (77) by a 90° rotation of said side wing portion (12) and facing the edge of the intermediate face (61) of the inner pane (6), an outer sealing gasket (99), preferably hollow, having an inner face (99d), said lock (10) comprising at least one protrusion (10a, 10b) extending towards the outer space (E), said outer sealing gasket (99) comprising a recess (99c) provided on its outer profile extending from the inner face (99d) towards the outer space (E).

The utility model relates to the technical field of glass, in particular to a frame assembly, a glass assembly and a railway vehicle. The frame assembly is used for fixing glass, and comprises a first frame body, a second frame body and a third frame body, the second frame body is provided with a second concave part and is detachably connected with the first frame body, and the first concave part and the second concave part are matched to form a clamping space; the clamping space is filled with bonding glue, and the edge of the glass is clamped in the clamping space. According to the frame assembly provided by the utility model, the first concave part and the second concave part are matched to form the clamping space, the edge part of the glass is limited in the clamping space, and the clamping space is filled with the adhesive, so that the adhesive fixation and the mechanical fixation take effect together, and the glass is effectively prevented from falling off after being used for a long time.

The invention discloses curved glass of a motor car cab, which relates to the technical field of glass and comprises a main body, high-pressure outer glass is arranged on one side of the main body, a sliding rail is arranged on one side of the high-pressure outer glass, a sliding block is movably connected in the sliding rail, a pressing plate is fixed at the bottom end of the sliding block, and inner glass is movably connected in the main body. The inner glass is fixed to the sliding block, a rotating rod is arranged in the main body, and a limiting plate is fixed to the outer side of the rotating rod. The sliding rail guides linear motion to reduce abrasion, the system is low in friction coefficient and can hover at any position, when the sliding block moves, the pressing plate pushes the rotating rod to drive the limiting plate to rotate, the limiting plate extrudes the limiting block in the inner glass to achieve self-locking, and the glass is prevented from shaking. By means of the structure, abrasion of the sliding rail is even, vibration energy is buffered through the metal pressing piece, stress concentration is avoided, and the glass is protected.

The utility model discloses a high-speed train windshield, which relates to the technical field of high-speed train windshields and comprises a windshield body, a first fluororubber coating is arranged on the outer surface of the windshield body, and a second fluororubber coating is arranged on the inner surface of the windshield body. A third fluororubber coating is arranged on the first fluororubber coating, and a fourth fluororubber coating is arranged on the second fluororubber coating. The high-speed train windshield can effectively prevent gas and liquid on the inner and outer surfaces of the windshield body from permeating through the two fluororubber coatings on the inner and outer surfaces of the windshield body, prevent pollutants from depositing and permeating to the inner and outer surfaces of the windshield body, and prevent the windshield body from being easy to age, lose gloss and turn yellow; the weather resistance, the corrosion resistance and the air tightness of the windshield body are improved, the service life of the windshield body is prolonged, meanwhile, maintenance or replacement of the windshield body is reduced, the use cost is reduced, and a high-speed train can keep good appearance and product quality.

The utility model discloses safe and reliable rail traffic vehicle window glass which comprises a fixed base, a first fixing piece and a second fixing piece, buffer cavities are formed in one side of the first fixing piece and one side of the second fixing piece, a plurality of shock absorbers are arranged in the buffer cavities, shock absorption springs are arranged on the outer surfaces of the shock absorbers, and the shock absorption springs are arranged on the outer surfaces of the shock absorbers. And a fifth rubber pad is fixedly connected to one side of the shock absorber, and laminated glass is arranged between the first fixing piece and the second fixing piece. The laminated glass is clamped and mounted by arranging the first fixing piece and the second fixing piece, and is buffered and damped through the buffer cavity, the damper, the damping spring, the fifth rubber pad and the fourth rubber pad, so that the safety performance is improved.

The invention discloses bullet train sound insulation laminated glass, and relates to the technical field of high-pressure glass, the bullet train sound insulation laminated glass comprises a main body, multiple groups of high-pressure outer glass are arranged on both sides of the main body, multiple groups of sealing strips matched with the high-pressure outer glass are arranged on both sides of the main body, multiple groups of micro hydraulic cylinders are arranged in the main body, and moving blocks are arranged at the output ends of the micro hydraulic cylinders; and the moving blocks are matched with the high-pressure outer glass, multiple sets of motors are arranged in the main body, and cross rods are arranged at the output ends of the motors. During high-speed operation, air in front of a main body is compressed to generate resistance, high-pressure outer glass is impacted by airflow to cause wind pressure change and micro-deformation, meanwhile, a vibration sensor detects the vibration amplitude, when the vibration amplitude exceeds a threshold value, a motor is started, a cross-shaped sleeve drives a sleeve and a worm to rotate, and a residual worm gear is driven to enable the high-pressure outer glass to adjust the inclination angle around a rotating shaft; a sound wave reflection path is changed, resonance is reduced, wind noise is reduced, wind pressure self-adaptive sealing and dynamic sound insulation optimization are achieved, and the overall reliability is improved.