247results about How to "Solve the comfort" patented technology

The invention provides a high-strength stretch-proof flame-retardant textile. The flame-retardant textile is formed by weaving a flame-retardant composite yarn, wherein the flame-retardant composite yarn is formed by compounding a core yarn and a leather yarn and is one of a covering yarn and a fasciated yarn; the core yarn adopts a flame-retardant filament yarn as a raw material; the leather yarn adopts a flame-retardant short fiber as a raw material; and the weight ratio of the flame-retardant filament yarn to the flame-retardant short fiber is 30-90:10-70. Compared with the conventional flame-retardant textile, the high-strength stretch-proof flame-retardant textile has higher strength and overcomes the defects of difficult weaving, difficult dyeing and uncomfortableness of the high-strength fiber; the high-strength stretch-proof flame-retardant textile has permanent flame retardance which cannot decrease after the textile is washed, and better textile strength; the textile has soft and comfortable handfeel, rich color and good strength, meets the requirements of various flame-retardant clothes and related standards; the product has rich and varied appearances and is durable; and the combustion performance of the textile can meet the national standards of flame-retardant products.

The invention discloses a variable-frequency air conditioner control method and an air conditioner. The variable-frequency air conditioner control method comprises the steps: entering a user setting mode in response to a user operation instruction; acquiring a running frequency, which is set by a user, of an air conditioner compressor; controlling the air conditioner compressor to run at the set running frequency. Furthermore, the user can also set different running time periods of a variable-frequency air conditioner compressor and the running time lengths and the running frequencies of all the time periods; in each running time period set by the user, the air conditioner compressor is controlled to run at the set running time length and the running frequency; moreover, a difference value between the set temperature ts and the indoor temperature t1 can be judged in any time period after the air conditioner compressor runs according to the preset time length or a default time length, and frequency rising and frequency falling are determined according to the difference value or the current frequency is kept until the period is ended; the comfortableness of the air conditioner is guaranteed, and energy conservation of the air conditioner can be realized; more different demands of the user are met.

The invention discloses a patient caring bed with a turnover assisting function and a turnover assisting method thereof and belongs to the field of caring beds. The patient caring bed comprises a bed body frame, a bed plate, an ejection mechanism and a cloth winding mechanism, wherein the cloth winding mechanism comprises cloth winding rolls, a driving device and turnover cloth; the cloth winding rolls are arranged at the two sides of the caring bed; the driving device is used for driving the cloth winding rolls to rotate; the two ends of the turnover cloth are respectively and fixedly wound on the cloth winding rolls at the two sides; the turnover cloth between the two cloth winding rolls are laid on the bed plate; the ejection mechanism comprises two ejecting rolls positioned under the turnover cloth, an ejecting bracket for installing the ejecting rolls, an electric pushing rod arranged under the ejecting bracket and a guiding device. The invention also discloses the turnover assisting method of the patient caring bed. The patient caring bed and the turnover assisting method disclosed by the invention have the advantages that the inclination of the body of a patient is realized by utilizing the ejection mechanism and the cloth winding mechanism to assist serving staffs to turn over the patient, the turnover action is gentle, the comfort level of the patient is high, and the working intensity of the serving staffs is greatly reduced.

The invention discloses an air conditioner and a control method and device thereof. The control method of the air conditioner includes: receiving control commands input by users; finding an air conditioner control mode corresponding to the control commands; and conducting energy-saving control on the air conditioner according to the found air conditioner control mode. A plurality of air conditioner control modes and corresponding relations between the plurality of air conditioner control modes and the different control commands are stored in the air conditioner, and different energy-saving control is conducted on the air conditioner under the different air conditioner control modes. By means of the air conditioner and the control method and device, the problem in the prior art that the air conditioner can not provide comfortableness and simplified energy-saving adjustment for users is solved, and the effect that the air conditioner can meet comfortableness requirements of the users, simplify operation of the users and save energy consumption is achieved.

The invention discloses a distributed flexible pressure sensor based on an electrically active polymer. The distributed flexible pressure sensor comprises a sensor array, a switching circuit, an interface circuit and a computer. The sensor array is used for preparing a corresponding array according to the size of a measuring plane and inputting pressure. The switching circuit is used for converting a sensed capacitance value into a voltage value. The interface circuit is used for conducting line-rank scanning, filtering, amplifying and A/D conversion on an input signal and converting an analog voltage signal into a digital voltage signal capable of being read by the computer. The computer is used for collecting, analyzing, processing and displaying the data input by the interface circuit. The flexible pressure sensor can be widely applied to the fields of human health monitoring, physical training, medical rehabilitation, biomechanics and safety monitoring and the like.

The invention discloses an air conditioner control method and device and an air conditioner system. The method comprises the following steps: detecting whether the number of people indoors is changed or not; and if the number of people indoors is changed, adjusting the state of an indoor air conditioner to enable the indoor environment temperature to reach an optimal value. By the air conditioner control method and device and the air conditioner system, the technical problem that the comfort level of a user is not good or energy is wasted due to the fact that the set temperature of the air conditioner cannot be flexibly adjusted according to the number of people indoors in the related art is solved.

The invention discloses a low-cost seat ventilation system, which comprises an internal air passage for backrest(1), a lower air passage for seat (2), an air blower (3), a connecting air passage (4), an air supply air passage (5), an air outlet (6) specially providing air volume for the seat (6) and a control switch; wherein, the connecting air passage (4) is foldable and used for connecting the internal air passage for backrest and the air passage arranged at the air blower; the air supply air passage (5) is divided into two parts; wherein, one part can be telescopic and bent and is arranged below the seat and connected to the air blower (3), while the other part is arranged on a vehicle body sheet metal soleplate and connected to the air outlet specially providing air volume for the seat. The air outlet specially providing air volume for the seat is a special air outlet additionally arranged on an air conditioning evaporator assembly and the air outlet is independent of the air outlet of the air conditioning evaporator assembly. The ventilation system is cooperated with the finished vehicle air conditioner so as to realize the functions of ventilation, refrigeration and heating of the seat; the designed air passage has telescopic function, thus having no effect on the upper side and the lower side, front and rear adjustments and the backrest adjustment of the seat.

A method for optimizing parameter match between a suspension system and a damping element of hub-driven electric vehicle includes such steps as establishing vehicle dynamic analysis model accord to specific structure of hub-driven electric vehicle, optimizing parameters matching between suspension system and damping element of hub-driven electric vehicle, optimizing parameters matching between suspension system and damping element of hub-driven electric vehicle. The mathematical model of road roughness and electromagnetic force of hub motor is established. Considering the different road conditions of vehicles, At vehicle speed and load condition, the minimum relative displacement of stator and rotor, pitch angle acceleration of vehicle body and vertical vibration acceleration are taken asthe optimization objective, and the suspension dynamic deflection, tire dynamic load, suspension damping parameter, performance parameter of damping element and deformation of damping element are taken as the constraint conditions, and the parameters of suspension system and damping element are optimally matched; Verify the effectiveness of the optimization results, if not met, then re-match, if meet the requirements, then obtain the final design. The proposed optimization design method is used to optimize the parameters of suspension system and damping elements, which can effectively improvethe multi-objective performance of the vehicle under various operating conditions.

The invention provides a vehicle steady-state intelligent control method and a vehicle. The vehicle steady-state intelligent control method comprises the following steps that vehicle driving parameters are acquired; the driving parameters comprise at least a wheel speed, lateral and longitudinal acceleration, a yaw rate, an engine and motor torque, driver input information, a vehicle speed and a tire rolling radius; a driving stability factor value is obtained according to the vehicle driving parameters; and according to the driving stability factor value, the steady state of the vehicle is determined and a whole vehicle control unit is started, or the whole vehicle control unit and a vehicle stability control system carry out the steady-state control over the vehicle. The method solves the problems of potential safety hazards and reduced driving comfort due to the fact that a vehicle in the prior art uses VSC alone for the steady-state control.

The invention discloses an air conditioner defrosting control method and device. The air conditioner defrosting control method comprises the steps of acquiring tube temperature of an air conditioner outdoor heat exchange tube once at interval of a preset time, wherein first tube temperature of the air conditioner outdoor heat exchange tube is acquired at a first moment, second tube temperature of the air conditioner outdoor heat exchange tube is acquired at a second moment, and the interval between the first moment and the second is the preset time; calculating a temperature difference between the first tube temperature and initial tube temperature to acquire a first tube temperature difference, and calculating a temperature difference between the second tube temperature and the initial tube temperature to acquire a second tube temperature difference, wherein the initial tube temperature is acquired tube temperature of the air conditioner outdoor heat exchange tube before the first moment; judging whether the first tube temperature difference and the second tube temperature difference both meet preset conditions or not; and controlling an air conditioner to defrost if the first tube temperature difference and the second tube temperature difference both are judged to meet the preset conditions. By adopting the air conditioner defrosting control method and device, the problems of poorer heating effect and poorer comfort of an air conditioner in a correlation technique are solved.

The invention provides a device and method for winding or unwinding a cuff. The device for winding or unwinding the cuff comprises a winding mechanism, the cuff attached to the inner portion of the winding mechanism and a control part used for controlling the winding mechanism to carry out winding or unwinding. The device is characterized in that the winding mechanism is made to carry out winding or unwinding in a barrel shape through the control part to wind or unwind the cuff in the winding mechanism, so that the cross section area of the winding mechanism is changed.

The invention discloses a double-evaporator air-conditioning system for a pure electric vehicle and a control method of the system. The system comprises a first pipeline, a second pipeline, a third pipeline, a compressor, a condenser, a liquid storage device, a first solenoid valve, a battery evaporator assembly, a second solenoid valve, an air-conditioning evaporator assembly and an air-conditioning controller, wherein one end of the first pipeline is connected with an outlet of the compressor, and the other end of the first pipeline is connected with an inlet of the liquid storage device through the condenser; one end of the second pipeline is connected with an outlet of the liquid storage device, and the other end of the second pipeline is connected with an inlet of the compressor through the first solenoid valve and the battery evaporator assembly sequentially; one end of the third pipeline is connected with an inlet of the liquid storage device, and the other end of the third pipeline is connected with the inlet of the compressor through the second solenoid valve and the air-conditioning evaporator assembly sequentially; the air-conditioning controller is electrically connected with the compressor, the first solenoid valve and the second solenoid valve respectively. According to the air-conditioning system, passenger compartments and battery compartments can be simultaneously refrigerated and cooled, and high comfort level of the passenger compartments and battery heat management can be realized.

The invention discloses a driving control method and device of a hybrid electric vehicle and the hybrid electric vehicle. The method comprises the following steps that the current gear of the hybrid electric vehicle, the current electric quantity of a power battery, and the slope of the current road are obtained; if the current gear of the hybrid electric vehicle, the current electric quantity of the power battery, and the slope of the current road meet preset requirements, the current vehicle speed of the hybrid electric vehicle is further obtained; if the current vehicle speed is larger than or equal to a third vehicle speed threshold value and is smaller than a fourth vehicle speed threshold value, the hybrid electric vehicle is controlled to achieve a small load halt function. By means of the driving control method of the hybrid electric vehicle, electricity recycle can be improved, the driving distance of the whole vehicle is increased, economic performance is improved, oil consumption is lowered, and the emission load is reduced.

The invention proposes a dynamic torque control method and system of an electric vehicle, wherein the method comprises the steps of: obtaining the acceleration pedal openness, the acceleration pedal change rate, the vehicle speed and the motor rotating speed to obtain the real-time torque; determining the target rotating speed according to the acceleration pedal openness, the vehicle speed or the motor rotating speed, judging if the real-time torque satisfies preset conditions through the target torque; and obtaining the torque variation changed with the acceleration pedal openness and the acceleration pedal change rate to determine the sent torque sent to the motor according to the real-time torque and the torque variation when the real-time torque satisfies the preset conditions. The dynamic torque control method of the electric vehicle, proposed by the embodiment of the invention, selectively controls the torque increment or decrement speed through the torque variation changed with the acceleration pedal openness and the acceleration pedal change rate to synthesize the dynamic property, the comfort and the safety.

The invention belongs to the technical field of human body distinguishing and discloses a human body heat source feature extracting and distinguishing method based on infrared pyroelectric information. The method aims to achieve 360-degree wide-range and remote detection and detection of static infrared heat sources and effectively solves the problems of confliction between comfort and energy saving of an intelligent air-conditioner and high false alarm rate of a safety supervision system. According to the technical scheme, the method comprises the steps that a stepping motor is adopted to drive a single pyroelectric infrared detector to rotate at a uniform speed, and then remote, 360-degree wide-range and static object detection is achieved; the detection range is a disk shape, wavelet packet analysis is conducted on collected human body heat source samples and non-human-body heat source samples, a signal wavelet entropy is taken as the features of the signal, 5-fold cross-validation is conducted by means of the BP neural network, and then human body heat resources are distinguished from non-human-body heat resources. The method is mainly applied to human body distinguishing.

The invention discloses a method and device for determining a display position of a user interface control in virtual reality. The method includes the steps of converting a first coordinate position from a preset coordinate system to a spherical coordinate system, wherein the first coordinate position is used to represent an initial position of the user interface control in a virtual reality space; calculating a third coordinate position corresponding to each frame of animation during the following movement of the user interface control from the first coordinate position to the second coordinate position, wherein the second coordinate position is a position which is gazed by a user in the virtual reality space and is at a preset distance from a viewpoint of the user; remapping the third coordinate position from the spherical coordinate system to the preset coordinate system, and determining a real-time display position of the user interface control in each frame of animation. Accordingto the method and device for determining the display position of the user interface control in virtual reality, the technical problem that the comfort level of a user interface control display mode in a VR application provided in the related art is poor or information provided by the interface is missed easily is solved.

The invention relates to a cross-country vehicle wheel which comprises a wheel body and a tire. The wheel body is composed of a rim, spokes and a hub. Multiple telescopic hydraulic rods or electric telescopic rods are arranged on the hub uniformly in the radial direction. Multiple through holes are formed in the rim and the tire correspondingly so that the telescopic hydraulic rods or the electric telescopic rods can extend outwards through the through holes. When the telescopic hydraulic rods or the electric telescopic rods extend outwards, the outer ends of the telescopic hydraulic rods or the electric telescopic rods can extend out of the face of the tire by a certain length; when the telescopic hydraulic rods or the electric telescopic rods contract inwards, the outer ends can contract into the face of the tire; or arc-shaped swinging rods are hinged to the outer surface of the rim, and the telescopic hydraulic rods or the electric telescopic rods can drive the arc-shaped swinging rods to extend outwards. The cross-country vehicle wheel is mainly used for solving the problems that an existing cross-country vehicle wheel is complex in structure, and poor in traveling smoothness and comfort.

The invention relates to the technical field of air-conditioners in electrical equipment, in particular to an air-conditioner outdoor motor control method, and aims at reducing noise and vibration production in the process of starting to a high rotation speed of an overall unit. The air-conditioner outdoor motor control method includes the following steps: S1, starting up: the rotation speed of an outdoor fan motor is improved to P (i) max from an actual rotation speed P (actual), and then the outdoor fan motor operates for 3minutes, wherein the P (actual) is equal to n P (i) max; and S2, the difference value delta T between temperature of indoor environment and set temperature of an indoor unit is judged. According to the air-conditioner outdoor motor control method, the rotation speed of the starting stage of the outdoor motor is set to be from low to high, and therefore the noise and the vibration are not easily produced in the process of the starting to the high rotation speed of the overall unit, and use comfortable sensation of users is improved.

The invention discloses a mechanical automobile tire burst support device. The support device comprises telescopic components, a casing and a tempered glass ring, wherein the telescopic components are uniformly distributed in a circumferential direction of the casing; the tempered glass ring is arranged on the outer sides of the telescopic components in a sleeving manner; each telescopic component comprises a hub section, a support claw, a spring and a support bar; guide grooves and clamp ports are formed in the casing; one end of each support bar is connected with the middle part of each hub section, and the other end is inserted into the guide grooves of the casing; and each support claw comprises a pair of claws and a spring, the support claw is mounted in the middle of the part where each support bar is inserted into each guide groove, and each spring is arranged on the periphery of the part, extruding out of each guide groove, of each support bar. According to the mechanical automobile tire burst support device, the support for weight of an automobile with a burst tire during emergency is achieved through the telescopic components, automobile tire burst support devices with different specifications are configured by the automobile according to different automobile models, loads and tire models, so that the problems that an RSC (roll stability control) anti-explosion tire is poor in comfort, troublesome in dismounting and the like are solved; and further, the automobile tire burst support device is simple in structure, low in price and obvious in emergency effect, and can be widely applied to tires of vehicle s such as a sedan, a coach, a touring bus and the like.

The invention discloses a bottom shell device, a manufacturing method of the bottom shell device and an air conditioner. The bottom shell device comprises a bottom shell and a heat preservation structure. The bottom shell and the heat preservation structure form a whole in a foaming mode, and the heat preservation structure is made of soft foaming materials. The bottom shell and the heat preservation structure form the whole in the foaming mode, so that the aim that the heat preservation structure is in complete fit with the outer surface of the bottom shell is achieved, and therefore the heat preservation structure and the bottom shell of the bottom shell device cannot make noise generated by friction due to the gap when the air conditioner is in a refrigeration mode, a heating mode or a refrigeration-heating switching mode. The problems that a heat preservation material of a bottom shell of an existing air conditioner makes the noise in the running process of the air conditioner and the comfort provided by the air conditioner is affected are effectively solved.

The invention discloses a control method, apparatus, and system of a rail vehicle lighting system and a rail vehicle. The method comprises the following steps: determining the total current of a cool color temperature LED and a warm color temperature LED according to target brightness, wherein the target brightness is determined according to the illuminance of an environment where the rail vehicle is located; determining the light ratio of the cool color temperature LED and the warm color temperature LED according to target color temperature, wherein the target color temperature is determined according to current time; and controlling the operation of the cool color temperature LED and the warm color LED according to the total current and the light ratio. The control method, apparatus, and system solve the technical problem that the light source of the rail vehicle has large energy consumption and low comfortableness in the prior art.

The invention relates to an automatic driving longitudinal decision control method in a vehicle-road cooperation environment, and the method comprises the steps: classifying the elevation data of an original road surface according to different road surface grades, and carrying out the analysis to obtain the annoyance rate of driving on different grades of road surfaces at different vehicle speeds; on the basis of a dynamic planning method, in combination with vehicle speed planning key nodes and annoyance rate data in a road, according to safe, comfortable and efficient driving requirements, determining the automatic driving vehicle speed of each node; and defining key elements corresponding to real automatic driving in the reinforcement learning model, constructing a model training environment by referring to actual road conditions, establishing an automatic driving real-time longitudinal acceleration and vertical damping force control model based on a DDPG structure, and outputting longitudinal acceleration and vertical damping force of an automatic driving vehicle in real time, so as to control the driving state of the autonomous vehicle. Compared with the prior art, the problems that the driving comfort is reduced and the road passing efficiency is reduced due to an uneven road surface can be effectively solved.

The invention provides a method for controlling failure of an input shaft speed sensor in an automotive AMT (automated mechanical transmission) and a control device for the implementation of the method. The method includes: using a product of a gear transmission ratio of transmission input shaft speed and a transmission gear transmission ratio as a transmission input shaft speed when the transmission input shaft speed sensor fails, and calculating slip of a clutch according to the transmission input shaft speed. The control method comprises a transmission input shaft speed sensor failure diagnosis unit and a clutch slip acquisition unit, wherein the units are connected with each other. The method and the device have the advantages that when the transmission input shaft speed sensor fails, the value approximate to the transmission input shaft speed can be acquired; the obtained slip of clutch and the obtained engaging speed of clutch are accurate, and the problem that the failure of the transmission input shaft sensor causes greatly reduced vehicle comfort and safety is solved.

The invention discloses a three-dimensional surrounding air supply structure and an air conditioner comprising the same. The three-dimensional surrounding air supply structure comprises a front annular air duct system and a two-side air sweeping air duct system. The front annular air duct system comprises an annular air outlet formed in the front surface of the three-dimensional surrounding air supply structure and an axial-flow air guide device or a mixed-flow air guide device arranged at the annular air outlet. The two-side air sweeping air duct system comprises wide-angle air outlets formed in the two sides and through-flow air guide devices arranged at the wide-angle air outlets. By adopting the three-dimensional surrounding air supply structure, the air supply mode integrating two-side wide-angle air sweeping and front annular air supply is realized, the indoor air supply area is increased, and the defects of the single air supply mode and poor comfort are effectively overcome.