13results about How to "Improve driving environment" patented technology

The invention discloses a subway station environment control and temperature control method, which comprises the following steps: introducing a dynamic thermal comfort model which takes a relative thermal index RWI as a core, comprehensively considers various influence factors such as human body metabolism rate, environment temperature, clothes thermal resistance and the like, and can accurately evaluate the thermal comfort feelings of passengers under different environment conditions. The system can intelligently adjust the temperature of the station hall and the platform layer by monitoring the outdoor temperature change in real time and combining the thermal comfort requirement of passengers in the riding process, so that the temperature is matched with the physiological and psychological feelings of the passengers. The dynamic adjusting mechanism not only can obviously improve the riding experience of passengers and reduce the dissatisfaction of the passengers caused by uncomfortable temperature, but also can effectively reduce the energy consumption and reduce the operation cost. In a word, through a scientific method and an advanced technology, individuation, intelligentization and greenization of subway station environment control are realized, and a more comfortable and healthier riding environment is provided for passengers.

This invention discloses an electrically controlled cargo box heating device, method, and mining dump truck, including a heating box, a smoke baffle assembly, an electronic control device, a sealing pipe, an exhaust tailpipe assembly, and a cargo box. The heating box includes a box panel, a smoke baffle slide, an electronic control bracket, an air inlet, an exhaust outlet, and a heating outlet. The electronic control device includes a control unit, an electric push rod, and a lifting cylinder. This invention uses an electronic control system to reverse the engine exhaust during cargo box lifting and lowering, utilizing the high-temperature exhaust gas from the engine to heat the cargo box, achieving waste gas reuse and solving efficiency and safety issues caused by frozen cargo box materials in low-temperature environments. The simple mechanical structure ensures stable reliability, and the electronic control system ensures the orderly operation of each component. Operating the cargo box while disconnecting the heating channel for normal exhaust avoids cargo box blackening and carbon dust dispersion, ensuring a good vehicle appearance and driving environment while heating the cargo box.

The utility model discloses an air suspension vehicle's distribution valve regulation sound eliminating structure and automobile, the air suspension vehicle's distribution valve regulation sound eliminating structure includes suspensions and gaskets, the suspensions are arranged on two symmetrical points on the side surface of a distribution valve, and the gaskets are respectively arranged on two symmetrical sides of a suspension connecting line on the bottom surface of the distribution valve. When the distribution valve works, the valve port is opened and closed, the suspension on the side face of the distribution valve and the gasket play a role in vibration isolation, sound transmission is eliminated, vibration isolation is carried out on a transmission path, and in the bumping process of a vehicle, the gasket arranged on the bottom face of the distribution valve plays a role in Z-direction supporting, so that the durability of the suspension on the side face is improved, and the service life of the distribution valve is prolonged. The design with high cost performance not only improves the comfort and mute performance of the vehicle, but also brings more pleasant driving experience to the vehicle owner.

The application provides a control method and system for an external circulation working state of a vehicle. The application constructs an evaluation index matrix through three dimensions of the vehicle, i.e. internal environment data and external environment data of the vehicle and positioning information of the vehicle, uniformly and standardly evaluates external air quality, obtains an external circulation evaluation value, and controls a working state of an external circulation device of the vehicle based on the external circulation evaluation value. Through intelligent and multi-dimensional real-time evaluation of the environment around the vehicle, the vehicle can quickly adapt to changes in the internal and external environment of the vehicle, and the air quality in the vehicle and a better driving environment are ensured.

The invention discloses a PP (polypropylene) core honeycomb plate for automotive trim, which comprises a honeycomb partition plate, an upper base plate and a lower base plate, a honeycomb groove is arranged on the honeycomb partition plate, a ventilation flow channel is arranged in the side wall of the honeycomb partition plate, a flow guide block is arranged in the honeycomb groove, and a filter element and a self-cleaning piston are arranged in the flow guide block. The outer end face of the side wall of the honeycomb partition plate is provided with an air core communicated with the ventilation flow channel, a first exhaust hole is formed between the ventilation flow channel and the honeycomb groove, the side wall of the flow guide block is provided with a flow guide hole communicated with the upper end face of the flow guide block, a positioning groove is formed in the center of the flow guide block, and an air suction hole is formed between the side wall of the positioning groove and the flow guide hole. And the filter element and the self-cleaning piston are mounted in the positioning groove. The air-conditioning system has the advantages that the air-conditioning airflow can be guided to improve the riding comfort, and the problems that in the prior art, when an automobile is started, the refrigerating and heating efficiency is low, peculiar smell in the automobile is heavy, and the riding comfort of passengers is affected are solved.

The invention provides a sunlight illumination system diffuser arrangement method for relieving tunnel visual impairment, and relates to the technical field of tunnel sunlight illumination. The installation design method of the diffuser comprises the following steps: calculating the total luminous flux required when the tunnel meets the illumination requirement; calculating the size and the mounting position of a first diffuser at the tunnel portal; according to the size and the installation position of the first diffuser, the column number of diffusers in the tunnel and the size and the installation position of the diffuser adjacent to the first diffuser are calculated; and repeating the operation to calculate the sizes and installation positions of all diffusers required by the tunnel. According to the invention, the defects of large potential safety hazard and large power taking and utilization project amount of the existing tunnel lighting technology are overcome, and the size and the installation position of the diffuser of the sunlight lighting system are accurately calculated, so that the guided sunlight is uniformly distributed; visual obstacles such as black and white hole effect or dazzle light generated when a driver drives in the tunnel due to light concentration or insufficiency are avoided, and the driving safety in the tunnel is improved.

The present invention is applicable to the field of intelligent driving, and provides a method and system for dynamic adjustment of intelligent vehicles based on user experience. The system includes: an emotion and physiological monitoring module, an emotion analysis and behavior recognition module, a dynamic driving model construction module, and a driving state adjustment strategy module. A dynamic driving model is constructed by combining the intensity of emotions, non-driving physical behaviors, and the characteristics of the external environment of the vehicle. This model has a powerful simulation capability and can reflect the possible behavioral states of users under current driving conditions. By dynamically simulating the driver's state, the system can predict the driver's reaction in a specific situation, so as to take corresponding safety measures in advance. For example, if the model shows that the driver is prone to emotional fluctuations under complex road conditions, the system can actively adjust the vehicle's driving mode, reduce the speed, or increase monitoring of the environment, which not only prevents potential dangers from occurring, but also improves driving safety and comfort.

The invention discloses an axial flow fan and an automobile, and relates to the technical field of axial flow fans, and the axial flow fan comprises a center hub used for being connected with a motor shaft; the plurality of first blades are respectively connected with the central hub; the second blades are attached to the first blades, and sawtooth parts are arranged on the second blades; in a normal state, the sawtooth part does not exceed the outer edge of the first blade; the noise reduction driving assembly is arranged on the central hub, and the power output end of the noise reduction driving assembly is connected with the blade root of each second blade; when the axial flow fan meets preset conditions, the second blades are driven to extend out of the outer edges of the first blades, and noise generated by the fan is restrained through the sawtooth parts on the second blades.

The utility model relates to the technical field of metro silencing, and discloses a metro silencing air duct which comprises an air duct body, an external sound insulation felt, a middle partition plate, internal sound absorption cotton and a grating cover plate. A channel allowing airflow to pass through is arranged in the air duct body, an inlet of the channel is communicated with an air return opening in the bottom of a compartment, and an outlet of the channel is communicated with the interior of the compartment. The middle partition plate is fixed in the air duct in the airflow direction; internal sound-absorbing cotton is arranged on the middle partition plates and air ducts between the middle partition plates; the grating cover plate is arranged at the outlet of the channel, and vent holes are formed in the grating cover plate; and an external sound insulation felt is coated outside the air duct main body. Noise is isolated and eliminated through the silencing air duct, noise in a passenger room of a subway train is reduced, the middle partition plate separates the air duct and is provided with the internal sound absorption cotton, the noise is effectively eliminated by means of the structural characteristics of the middle partition plate and the use of silencing materials, and therefore a good riding environment is provided.

The invention provides a power-assisted steering system and a commercial vehicle, and relates to the technical field of vehicles, the power-assisted steering system comprises a steering column, a steering gear and a whole vehicle controller, the steering gear comprises an input shaft, a main shell, a steering gear controller, a power assisting device and a rack, and the steering column is connected with the input shaft; the input shaft is rotationally connected with the main shell and provided with a first sensor, the first sensor is used for detecting parameter information in the rotating process of the input shaft and converting the parameter information into a first electric signal, and the vehicle control unit is used for generating a power-assisted curve according to the first electric signal, a vehicle speed signal and a vehicle starting signal and converting the power-assisted curve into a curve signal. The steering gear controller is in signal connection with the power assisting device, the steering gear controller is used for adjusting the output assisting power of the power assisting device according to the curve signal, and the power assisting device comprises a worm and gear reducing mechanism; the input shaft and the worm and gear reducing mechanism are both in transmission fit with the rack. The power-assisted steering system has the advantages of being high in transmission efficiency, good in noise, vibration and sound vibration roughness performance, better in driving control feeling and the like.

The invention relates to the technical field of automobile air conditioner HVAC assemblies, in particular to a novel automobile air conditioner HVAC assembly which comprises a distribution box assembly, an air inlet assembly is fixedly arranged on the distribution box assembly, an air blower is fixedly arranged at the lower end of the air inlet assembly, and a cold and warm air door plate is further fixedly arranged in the distribution box assembly. A first filter is fixedly arranged on one side of the distribution box assembly, a groove is formed in the limiting disc, a refrigerating device is fixedly arranged on one side of the distribution box assembly, and a heating device is further fixedly arranged on the other side of the distribution box assembly. And meanwhile, scraped and swept impurities slide in a groove in the L-shaped scraping plate and are stored in the ash storage bin, so that it is guaranteed that all the scraped and swept impurities on the L-shaped scraping plate enter the ash storage bin, when the air conditioner is not used, the first filter can be detached, the impurities in the ash storage bin are cleaned, and follow-up continuous use is facilitated.

The embodiment of the invention provides an air conditioner distribution box and a vehicle-mounted air conditioner system, and relates to the field of vehicle-mounted air conditioners. The box shell is provided with an air inlet and a plurality of air outlets, the air door assembly is installed in the box shell, the air door assembly has a plurality of mutually switched working states, and the air door assembly is used for communicating the air inlet with at least one air outlet by switching different working states so as to adjust the air outlet direction of the box shell. The air door assembly arranged in the air conditioner distribution box is simple in structure, compact in structure, small in number of parts, convenient to regulate and control, low in failure rate and low in operation cost.

The present invention discloses an NVH suppression device and method for an electric vehicle equipped with an automatic transmission, wherein the suppression device comprises a drive motor, an automatic transmission, a lubricating hydraulic system, an MCU controller, a TCU controller, a vehicle controller, a CAN bus, a threshold judgment unit and a high-frequency NVH suppression solution unit; the drive motor is connected to the automatic transmission, and the lubricating hydraulic system lubricates the automatic transmission; the MCU controller and the TCU controller are respectively connected to the drive motor and the lubricating hydraulic system; the MCU controller and the TCU controller are respectively connected to the CAN through the threshold judgment unit; the vehicle controller is connected to the CAN bus; the high-frequency NVH suppression solution unit input end is connected to the CAN bus and the threshold judgment unit, and the output end is respectively connected to the MCU controller and the TCU controller. The present invention has a simple structure, can improve the service quality of electric vehicles, avoid the occurrence of high-frequency electromagnetic noise, and greatly optimizes the driving environment of the driver.