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Glass assembly and vehicle
PendingCN119428106AReduce the difficulty of disassemblyTime-saving and labor-saving disassemblyWindowsLighting support devicesStructural engineeringMechanical engineering
The invention relates to a glass assembly and a vehicle. The glass assembly comprises a glass assembly body, and a first mounting part and a second mounting part are arranged on the glass assembly body at intervals; a lamp group; the lamp set is arranged on the side face, facing the glass assembly, of the cover plate, the cover plate is provided with a first connecting part and a second connecting part, the first connecting part is detachably connected with the first mounting piece, and the second connecting part is detachably connected with the second mounting piece. When the lamp set breaks down and needs to be maintained or replaced after being used for a period of time, the first connecting part and the first mounting part can be detached, the second connecting part and the second mounting part can be detached, and then the cover plate and the lamp set can be detached from the glass assembly together in a fast, convenient and labor-saving mode. Compared with the installation mode that the lamp set is directly or indirectly bonded and fixed to the glass assembly in the prior art, according to the scheme, the disassembly operation difficulty of the lamp set can be greatly reduced, the maintenance and replacement cost is reduced, time and labor are saved in the lamp set disassembly operation, and the use experience feeling of a user is easily improved.
Owner:FUYAO GLASS IND GROUP CO LTD
Chassis coordination control method and system based on tire lateral deviation state evaluation
PendingCN120681116AExternal condition input parametersVehicle condition input parametersVehicle dynamicsDriver/operator
The invention discloses a chassis coordination control method and system based on tire side deviation state evaluation, and relates to the technical field of four-wheel steering four-wheel drive vehicle dynamics control. The method comprises the steps that an expected front wheel rotation angle is determined based on an expected steering wheel rotation angle input by a driver, and a front wheel rotation angle is determined; further determining a feed-forward front wheel steering angle, a feed-forward rear wheel steering angle and an additional yaw moment based on feed-forward control and feedback control, determining a first tire slip angle and a second tire slip angle based on a road adhesion coefficient, and further determining a wheel torque control weight, a feedback front wheel steering angle control weight and a feedback rear wheel steering angle control weight; and further determining a driving yaw moment, a feedback front wheel steering angle and a feedback rear wheel steering angle, determining a total longitudinal force based on an expected longitudinal acceleration input by a driver, and performing four-wheel torque distribution based on the total longitudinal force and the driving yaw moment to obtain a four-wheel driving torque. The driving stability of the vehicle under the limiting working condition can be improved.
Owner:ADVANCED TECH RES INST OF BEIJING UNIV OF TECH
System and method for server based control
ActiveUS12316706B2Vehicle fittingsRegistering/indicating working of vehiclesLinear controlImaging processing
A system and method in a building or vehicle for an actuator operation in response to a sensor according to a control logic, the system comprising a router or a gateway communicating with a device associated with the sensor and a device associated with the actuator over in-building or in-vehicle networks, and an external Internet-connected control server associated with the control logic implementing a PID closed linear control loop and communicating with the router over external network for controlling the in-building or in-vehicle phenomenon. The sensor may be a microphone or a camera, and the system may include voice or image processing as part of the control logic. A redundancy is used by using multiple sensors or actuators, or by using multiple data paths over the building or vehicle internal or external communication. The networks may be wired or wireless, and may be BAN, PAN, LAN, WAN, or home networks.
Owner:SMART SPEAKER LLC
Vehicular exterior rearview mirror assembly
A vehicular exterior rearview mirror assembly includes a mirror head accommodating a mirror reflective element and an illumination module, which includes a light source, a first mask, and a second mask. When the light source is powered, emitted light that passes through the first mask is a first color and emitted light that passes through the second mask is a second color. With the mirror assembly mounted at a vehicle, and when the light source is powered to emit light, light emitted by the light source passes through the first mask to project a first projected image onto a ground region and passes through the second mask to project a second projected image onto the ground region. The first projected image includes a first logo portion having the first color, and the second projected image includes a second logo portion having the second color.
Owner:MAGNA MIRRORS OF AMERICA INC
Pixel projection lens and automobile
PendingCN119393692AImprove image qualityReduce thermal deformationVehicle headlampsProjectorsOphthalmologyImaging quality
The invention discloses a pixel projection lens and an automobile, and relates to the technical field of automobile illumination, the pixel projection lens is provided with an object side and an image side which are correspondingly arranged along the optical axis direction, the pixel projection lens comprises a first lens, a second lens, a third lens, a fourth lens and an image surface from the object side to the image side in sequence, the focal length of the first lens is f1, the focal length of the second lens is f2, the focal length of the third lens is f3, the focal length of the fourth lens is f4, and the pixel projection lens meets the following conditions: 10lt; f1lt; 20; -6 lt; f2lt; f2lt; -14.5,-14.5,-14.5; 30 lt; f3lt; f3t; 40); 35 lt; f4lt; f4t; 50; the first lens and the second lens are aspheric lenses, and the third lens and the fourth lens are glass spherical lenses. By means of the arrangement, the pixel projection lens is good in imaging quality and good in stability and can not defocus under the environment condition of-40 DEG C to 105 DEG C, and therefore it is fully guaranteed that the pixel projection lens works stably in the environment with the large temperature difference.
Owner:ZHONGSHAN UNITED AUTOMOBILE TECH CO LTD
Multi-hydrogen-storage-tank solid-state hydrogen storage system based on temperature control
InactiveCN119879063AVessel mounting detailsReversible hydrogen uptakeTemperature controlProcess engineering
The invention discloses a multi-hydrogen-storage-tank solid hydrogen storage system based on temperature control, and relates to the technical field of hydrogen energy storage, and the key points of the technical scheme are that the system comprises a plurality of hydrogen storage tanks, each hydrogen storage tank adopts different types of alloy hydrogen storage materials, each hydrogen storage tank is provided with an independent temperature control system, and the temperature is adjusted according to the types of the hydrogen storage materials; therefore, the hydrogen storage efficiency is optimized. The system can accelerate the hydrogen storage rate and improve the storage density through temperature control, the heat exchange device is arranged to improve the heat energy management efficiency, and accurate temperature control and cycle counting functions are achieved. The service life of the hydrogen storage material can be effectively prolonged, performance degradation is reduced, and the long-term stability of a hydrogen storage system is improved.
Owner:SUZHOU LVFENGDA NEW ENERGY MATERIAL TECH CO LTD
Optical system, control method, vehicle optical signal device, vehicle lamp and vehicle
The invention provides an optical system, a control method, a vehicle optical signal device, a vehicle lamp and a vehicle, the optical system comprises at least one first light source assembly and a second light source assembly, and light emitted by the first light source assembly passes through an optical assembly and is emitted from a first light emitting area of a light emitting surface of the optical assembly; light emitted by the second light source assembly passes through the optical assembly and is emitted from a second light-emitting area of the light-emitting surface of the optical assembly, and at least partial area overlapping exists between the first light-emitting area and the second light-emitting area; wherein light emitted by the first light emitting area serves as a first light function, light emitted by the second light emitting area serves as a second light function, the first light function serves as a marker lamp of the driving automation system, and the second light function serves as other light functions with colors different from those of the first light function. Therefore, the structure and function multiplexing of the automatic system marker lamp and other signal lamps is realized, the cost of independently designing and manufacturing the automatic system marker lamp is effectively reduced, and the occupied space of the whole vehicle lamp is effectively reduced.
Owner:HASCO VISION TECHNOLOGY CO LTD
Lighting device for a motor vehicle
Lighting device for a motor vehicle, comprising at least one light source, a planar light guide (2) with an entry surface (3) and at least one exit surface (4, 5), wherein the entry surface (3) is in particular designed as an end face of the light guide (2), at least one optical component (6, 7, 9, 10) designed as an optical disk or optical film, wherein the lighting device is configured such that the light generated by the at least one light source (1) enters the light guide (2) at least partially through the entry surface (3), that the light entering through the entry surface (3) exits at least partially from the at least one exit surface (4, 5), and that the light exiting from the at least one exit surface (4, 5) of the light guide (4, 5) passes at least partially through the at least one optical component (6, 7, 10) and / or is reflected by the at least one optical component (9).a housing (8) on or in which the planar light guide (2) and the at least one optical component (6, 7, 9, 10) are arranged, wherein the planar light guide (2) and / or the at least one optical component (6, 7, 9, 10) are made of silicone or wherein the planar light guide (2) and / or the at least one optical component (6, 7, 9, 10) comprise silicone.
Owner:HELLA GMBH & CO KGAA
Vehicle marker lighting device having a light pipe
A vehicle marker lighting device includes a light source. The light source has an elongate light pipe with a first end operatively coupled to the light source and a second end having a metalized surface. The light pipe further has a plurality of prism optics extending into an outside surface of the elongate body. An inner lens is operatively coupled to the light pipe to receive light reflected from the plurality of prism optics and to output the light beam.
Owner:FORD GLOBAL TECH LLC
Electromechanical joint for conductor arm having multiple degrees of freedom
An electromechanical joint provides rotational movement in at least two dimensions while conducting electrical power between orthogonal hubs. The joint, shaped as a cross, has four conical shafts positioned orthogonally and apart from each other within an interior of a housing. Apexes of the conical shafts face each other proximate a centroid of the housing. A conductive fluid, such as Galinstan, fills recesses between the conical shafts. Separate yokes attached to pairs of the hubs may impart forces on the shafts, causing the shafts to rotate within the conductive fluid around orthogonal axes. The conductive fluid provides simultaneous conduction of electrical power between the hubs. The yokes may be affixed respectively to a current collector and conductive arms of a work machine for improved movement and power conduction without the need for additional components.
Owner:CATERPILLAR GLOBAL MINING EQUIPMENT LLC
Lens, display module, vehicle lamp device, electronic equipment and vehicle
The embodiment of the invention provides a lens, a display module, a vehicle lamp device, electronic equipment and a vehicle. The lens comprises at least five lenses arranged from the image side to the object side in the optical axis direction. At least three lenses in the at least five lenses have positive focal power, at least one lens has negative focal power, and when the number of the lenses with the negative focal power in the lens is one, the lens with the negative focal power in the lens is arranged between the lens closest to the image side in the lens and the lens closest to the object side in the lens in the optical axis direction. The lens provided by the embodiment of the invention can have the characteristics of a large aperture and a large field angle at the same time, so as to meet the use requirements.
Owner:YINWANG INTELLIGENT TECHNOLOGIES CO LTD
Vehicle lamp and vehicle
Owner:YINWANG INTELLIGENT TECHNOLOGIES CO LTD
Lamp for vehicle
A lamp for a vehicle includes a first optical module that forms a first light distribution pattern, and including a first light source part, and a first output lens part that outputs light input from the first light source part, and a second optical module that forms a second light distribution pattern having light distribution characteristics that is different from those of the first light distribution pattern, and including a second light source part, and a second output lens part that outputs light input from the second light source part. The first optical module and the second optical module are arranged in an upward / downward direction, the first light distribution pattern and the second light distribution pattern overlap each other to implement a low beam.
Owner:HYUNDAI MOBIS CO LTD
Cool-feeling polyurethane synthetic leather as well as preparation method and application thereof
PendingCN119507230Areduce surface temperatureslow heatingRoad vehiclesTextiles and paperPolymer scienceInsulation layer
The invention discloses cool polyurethane synthetic leather as well as a preparation method and application thereof. The synthetic leather is sequentially composed of a cool polyurethane surface layer, a polyurethane thermal insulation layer, a polyurethane foaming bonding layer and a base material layer from top to bottom, wherein the cool polyurethane surface layer is prepared from the following components in parts by weight: 100 parts of polyurethane resin, 2-4 parts of a wear-resistant additive, 1-2 parts of a curing agent and 1-5 parts of cool color paste; the cool color paste is prepared by mixing 1-10 parts of a microcapsule phase change material, 2-10 parts of an infrared reflection pigment and 40-60 parts of water; the polyurethane heat insulation layer comprises polyurethane resin and hollow silicon dioxide modified by a silane coupling agent. The infrared reflection pigment and the microcapsule phase change material in the cool polyurethane surface layer reduce the surface temperature of the polyurethane synthetic leather. Meanwhile, a heat insulation material in the polyurethane heat insulation layer and a foaming process of the polyurethane foaming bonding layer are combined, so that the cool-feeling polyurethane synthetic leather material which is slowly heated at high temperature in summer is prepared.
Owner:ANHUI ANLI MATERIAL TECH
Variable transmittance laminate with embedded thermally conductive multi-layer
Aspects of the disclosure include variable transmittance laminates having an embedded thermally conductive multi-layer for auto-shading applications. An exemplary vehicle includes a lighting system having a light source and a housing for the light source. A variable transmittance laminate is positioned such that light emitted from the housing passes through the variable transmittance laminate. The variable transmittance laminate includes a thermally conductive multi-layer and an auto-shading film on the thermally conductive multi-layer. The auto-shading film includes discrete substructures which vary in alignment in response to an electric field. A wire is embedded in the auto-shading film and a controller is electrically coupled to the wire. The controller switchably causes the wire to deliver the electric field to the discrete substructures. The variable transmittance laminate has a first transmittance when a switch is in a first state and a second transmittance when the switch in in a second state.
Owner:GM GLOBAL TECHNOLOGY OPERATIONS LLC
Battery system of vehicle, charging and discharging method, and vehicle
A battery system of a vehicle, a charging and discharging method, and a vehicle. The system includes an energy storage apparatus (1) and a direct current (DC) charging and discharging interface (2), where the energy storage apparatus (1) includes a first battery pack (17) and a second battery pack (18), and a first inter-battery switch (11) and a second inter-battery switch (12) are disposed between adjacent battery packs; an incoming line terminal (111) of the first inter-battery switch (11) is connected to a first electrode of the first battery pack (17); a second outgoing line terminal (113) of the second inter-battery switch (12) is connected to a second electrode of the energy storage apparatus (1); and a first electrode of the DC charging and discharging interface (2) is connected to the first electrode of the energy storage apparatus (1).
Owner:WUHAN LOTUS CARS CO LTD
Lens, projection device, vehicle lamp device and vehicle
The embodiment of the invention provides a lens, a projection device, a vehicle lamp device and a vehicle, and belongs to the technical field of optics. The lens comprises at least five lenses arranged from an image side to an object side. The image side face of the lens closest to the image side in the lens is a concave face, the number of the lenses with the positive focal power in the lens is at least three, and the number of the lenses with the negative focal power in the lens is at least one. Wherein when the number of the lens with the negative focal power is one, the lens with the negative focal power is arranged between the lens, closest to the image side, in the lenses and the lens, closest to the object side, in the lenses. According to the lens provided by the embodiment of the invention, a relatively large field angle can be realized under the condition that Fno is less than or equal to 1.0, so that the lens can have the characteristics of a large aperture and a large field angle at the same time.
Owner:YINWANG INTELLIGENT TECHNOLOGIES CO LTD
Double-light module and vehicle lamp
The invention provides a double-light module and a vehicle lamp, and relates to the technical field of illumination. Comprising an ADB light source, a low-beam light source, an ADB lens, a low-beam lens and a multi-focus lens module, the multi-focus lens module comprises a first lens module and a second lens module, and a first focus of the first lens module is different from a second focus of the second lens module; emergent light rays of the ADB light source are connected into the ADB lens, and the emergent light rays of the ADB lens are emitted in an ADB light form after passing through the first lens module; the low-beam lens is connected with emergent light of the low-beam light source, and the emergent light of the low-beam lens is emitted in a low-beam light shape after passing through the second lens module. The multi-focus lens module is adopted to receive emergent light of the ADB lens and the low-beam lens, focuses of lens modules corresponding to the low-beam module and the ADB module are separated, the problems of light shape splicing, splicing dark lines, serious dispersion and the like caused by the fact that the low-beam module and the ADB module share the focus lens are solved, and the performance of the automobile lamp is improved.
Owner:MIND ELECTRONICS APPLIANCE CO LTD
Taillight assembly for vehicle and vehicle
ActiveCN222256209ULighting heating/cooling arrangementsOptical signallingStructural engineeringLamp shell
The utility model discloses a vehicle taillight assembly and vehicle, the taillight assembly includes lens, lamp housing, light emitting subassembly and refrigeration subassembly, lamp housing is connected with lens and defines the accommodation cavity between lamp housing and lens, the lamp housing is provided with the ventilation part that is used for the air exchange between accommodation cavity and external environment; the light-emitting assembly is arranged in the containing cavity and suitable for generating light rays transmitted towards the lens. The refrigeration assembly is arranged on the lamp shell and located outside the containing cavity. Wherein a refrigeration surface is formed on the refrigeration assembly, a matching surface is formed on the lamp shell, and the refrigeration surface is attached to the matching surface to absorb heat of the lamp shell. The cooling assembly is arranged on the lamp shell, so that the heat dissipation efficiency of the tail lamp assembly is improved, the tail lamp assembly can work stably and reliably, and the service life of the tail lamp assembly is prolonged.
Owner:DEEPAL AUTOMOBILE TECH CO LTD
Vehicle lamp thick-wall part
ActiveCN119412637AReduce design costImprove simplicityVehicle headlampsOptical signallingLight guideEngineering
The invention relates to the technical field of car lamps, and provides a car lamp thick-wall part which comprises a lens, a light guide plate and a light guide plate. At least one side, facing the lens, of the substrate is designed to be a plane; the LED lamp beads are located on the side, facing the lens, of the substrate, and the LED lamp beads are electrically connected with the substrate; the LED lamp bead can move relative to the lens and can be aligned with the light inlet through displacement, so that light rays of the LED lamp bead enter the light inlet in a concentrated mode and are emitted outwards from the other side of the lens. The positions of the LED lamp beads can be adjusted, so that the LED lamp beads can generate displacement, the LED lamp beads are aligned to the light inlet through displacement, light rays are emitted into the lens from the light inlet in a concentrated mode, on the basis of plane design of the substrate, the needed optical performance is achieved, and the material cost and the design cost of the thick-wall part of the automobile lamp are reduced.
Owner:ALADDIN ZHIXING (DONGGUAN) LIGHTING CO LTD
Structure for preventing tail lamp welding rib from being corroded and cracked
ActiveCN222559848Uprevent corrosion crackingExtended service lifeProtective devices for lightingOptical signallingLamp shellWelding
The utility model provides a structure for preventing corrosion cracking of a tail lamp welding rib, and belongs to the technical field of vehicle lamps. The structure for preventing the tail lamp welding rib from being corroded and cracked comprises a vehicle body metal plate, a mask, soft rubber, a lamp shell and a reflecting mirror, the vehicle body metal plate and the mask are both installed on the lamp shell, the reflecting mirror is arranged in the lamp shell, and the soft rubber is arranged between the mask and the lamp shell. According to the structure for preventing the welding rib of the tail lamp from corrosion cracking, the soft rubber and the lamp shell are subjected to double-color injection molding to locally interfere and seal with the mask, the soft rubber seals and shields the welding rib, the welding rib is prevented from being exposed in the external environment, the soft rubber is additionally arranged on the lamp shell to hide the welding rib, the welding rib is effectively prevented from being exposed in the external environment, and the service life of the welding rib is prolonged. And the strength of the welding rib cannot be weakened along with the increase of time, that is, the welding rib is effectively prevented from cracking, and the service life of the automobile lamp is prolonged.
Owner:HELLA BHAP (TIANJIN) AUTOMOTIVE LIGHTING CO LTD
Vehicle lamp
Provided is a vehicle lamp having a lighting unit disposed inside a lighting body constituted by a housing and an outer lens, the lighting unit includes a light source and a light guide body, some of light guided by the light guide body is emitted toward a front side of the outer lens to cause a first emission region to emit light, and some of the light guided by the light guide body is emitted toward an outer circumferential edge portion of the outer lens to cause a second emission region to emit light.
Owner:STANLEY ELECTRIC CO LTD
Diffuse reflection uniform light-emitting car lamp optical system
The diffuse reflection uniform light-emitting car lamp optical system comprises a lamp body, a circuit board, a light source and an aluminized reflection bowl, the light source is arranged on the circuit board, the diffuse reflection car lamp optical system further comprises a diffuse reflection reflecting plate, and the aluminized reflection bowl comprises a first diffusion pattern face arranged corresponding to the light source and a second diffusion pattern face arranged corresponding to the diffuse reflection reflecting plate; light emitted by the light source irradiates the aluminized reflection bowl, is reflected and diffused through the first diffusion pattern surface, irradiates the second diffusion pattern surface for reflection and diffusion, and then irradiates the surface of the diffuse reflection reflector to be reflected. The diffuse reflection uniform light-emitting car lamp optical system is reasonable in design, a good lighting effect is achieved through mutual cooperation of the reflection bowl, the fogging inner cover and the diffuse reflection reflector, and the diffuse reflection uniform light-emitting car lamp optical system is novel in light-emitting form, uniform in light-emitting effect and rich in layering sense.
Owner:WUHU ANRUI OPTOELECTRONICS CO LTD +2
Method for estimating a volume of a reservoir to be filled from a pressurized fluid distribution station
PendingUS20250035267A1Gas handling/storage effectsTesting/calibration for volume measurementReservoir volumeMechanics
A method for estimating a volume of a reservoir to be filled from a station for distributing a pressurized fluid including injecting a flow of pressurized fluid into the reservoir, determining a pressure variation in the reservoir, the pressure variation being determined with respect to an initial pressure, determining an amount of the fluid flow injected into the reservoir, and estimating the volume of the reservoir to be filled, on the basis of the amount of the fluid flow injected into the reservoir and on the basis of the pressure variation in the reservoir after the injection of the fluid flow. Wherein the volume of the reservoir to be filled is also estimated on the basis of an injection temperature, and on the basis of a temperature variation in the reservoir after the injection of the fluid flow.
Owner:LAIR LIQUIDE SA POUR LETUDE & LEXPLOITATION DES PROCEDES GEORGES CLAUDE
Automobile headlamp system capable of perceiving vision of driver
The invention discloses an automobile headlamp system capable of perceiving the vision of a driver, and relates to the technical field of automobile illumination, the automobile headlamp system comprises a base, a deflection frame, a driving mechanism, an auxiliary mechanism, a connecting mechanism, a reflective bowl and an irradiation lamp, the deflection frame and the driving mechanism are fixedly arranged on the base, the deflection frame is annular, and a spherical surface is arranged on the inner side of the deflection frame; the reflecting bowl is rotationally connected with the deflection frame through the spherical surface, an irradiation lamp is fixedly mounted in the reflecting bowl, an auxiliary mechanism is rotationally arranged on the deflection frame, the reflecting bowl is connected with the driving mechanism through a connecting mechanism, four deflection grooves are circumferentially formed in the deflection frame, and the deflection grooves are spherical and coincide with the circle center of the spherical surface; the auxiliary mechanism comprises an auxiliary ring and arc-shaped rods, the four arc-shaped rods are fixedly arranged on the auxiliary ring in a circumferential mode, and the arc-shaped rods can slide and rotate along the deflection grooves; interaction between the vehicle lamp system and a driver can be improved.
Owner:CHANGZHOU ZHUOSHI CAR LAMP CO LTD
High-efficiency optical lens with high central field-of-view image resolution
The invention relates to an optical lens with high efficiency and high central field-of-view image resolution. The optical lens comprises a first lens, a second lens, a third lens, a fourth lens and an image surface which are arranged in sequence, the surfaces of the first lens, the second lens and the third lens are aspheric surfaces, and the Abbe coefficient of the second lens is lower than that of the other three lenses; the first surface and the second surface of the second lens are bent towards one side far away from the image surface; the vignetting diaphragm is arranged on the first surface, far away from the image surface, of the fourth lens; and the aperture diaphragm is arranged on the first surface or the second surface of the first lens, and the distance between the aperture diaphragm and the vignetting diaphragm is 23-50 mm. The lighting efficiency is high; the surfaces of the first lens, the second lens and the third lens are aspheric surfaces, so that the transverse chromatic aberration is optimized, and the abbe coefficients of the other three lenses are higher than that of the second lens, so that the overall transverse chromatic aberration is reduced; by setting the distance between the aperture diaphragm and the vignetting diaphragm, the imaging quality of the central view field can be improved.
Owner:NANNING LIAOWANG AUTOMOTIVE LAMPS CO LTD
Method for producing a fuel rail for a pressure vessel system, fuel rail, pressure vessel system, and motor vehicle
A fuel rail and a method for producing the fuel rail for a pressure vessel system are provided. The method provides a fuel line and configures a plurality of rail connectors. The rail connectors have a cross-sectional area that is enlarged in comparison to the provided fuel line, and the rail connectors are configured so as to be integral to the fuel line.
Owner:BAYERISCHE MOTOREN WERKE AG
Optical module, vehicle lamp and vehicle
The utility model provides an optical module, a vehicle lamp and a vehicle. The optical module comprises a light source; the light condensing module comprises a light condensing surface and a light emitting surface, and the light condensing surface is arranged close to the light source; the light-emitting surface is far away from the light source and comprises a low-beam light-emitting surface and a high-beam light-emitting surface which are arranged up and down, and a region III forming structure is arranged at the part between the low-beam light-emitting surface and the high-beam light-emitting surface; the light shielding plate is arranged on the light emitting side, away from the light source, of the light condenser and located in the middle of the light condensing module, a cut-off line forming structure protruding upwards is arranged in the middle of the light shielding plate in the width direction, and in the width direction of the optical module, the position of the III area forming structure is basically consistent with the position of the cut-off line forming structure. The height of the III region forming structure is lower than that of the cut-off line forming structure; the lens is arranged on the side, away from the light condensation module, of the light shielding plate and used for collimating light emitted by the light condensation module.
Owner:NANNING LIAOWANG AUTOMOTIVE LAMPS CO LTD
Projection lamp assembly and vehicle
PendingCN120444577ALighting heating/cooling arrangementsOptical signallingImaging lensMechanical engineering
The invention provides a projection lamp assembly and a vehicle, and belongs to the technical field of vehicle parts. The projection lamp assembly comprises a shell and a metal heat dissipation base which are matched with each other; the first circuit board is arranged in the shell, the bottom face of the first circuit board is attached to one surface of the metal heat dissipation base, and a light-emitting element is installed on the top face of the first circuit board. The heat conduction layer is arranged outside the lens barrel module and attached to the outer wall face of the lens barrel module, one part of the heat conduction layer corresponds to the position of the film assembly, the other part of the heat conduction layer is attached to or makes contact with the top face of the first circuit board, and the heat conductivity of the heat conduction layer is larger than that of the lens barrel module; the beneficial effects of the invention are that the heat conduction layer can guide the heat gathered in the lens barrel module to the first circuit board, so that the heat is released, and the temperature in the lens barrel module is reduced, thereby reducing the deformation of the imaging lens group caused by heating, and avoiding the reduction of the projection definition caused by long-time use.
Owner:FULDA (NINGBO) INTELLIGENT PHOTOELECTRIC CO LTD
Distributed driving vehicle preset performance fault-tolerant control method and system based on adaptive neural network observer
The invention provides a distributed driving vehicle preset performance fault-tolerant control method and system based on an adaptive neural network observer. The method comprises the following steps: constructing a vehicle dynamics model containing motor faults and unknown disturbance; in order to realize real-time estimation of faults and disturbance and break through the limitation on disturbance derivative boundaries, a self-adaptive neural network observer is designed; aiming at the problem that the control direction is uncertain, an upper-layer controller is designed based on a preset performance control theory, a Nussbaum function and an obstacle Lyapunov function are introduced, it is ensured that system dynamic errors meet preset performance constraints all the time, and accurate tracking control over the transverse force, the longitudinal force and the yawing moment of a vehicle is achieved; in order to improve the system coordination capability under the multi-motor fault working condition, an optimal torque distribution model fusing the motor torque constraint and the tire force limit is constructed, collaborative optimization control of the driving and steering system is realized through a quadratic programming algorithm, and the stability and safety of the whole vehicle in the fault state are improved.
Owner:HUNAN UNIV