67 results about "Thermal sensation" patented technology

This invention provides a thermal comfort evaluation method based on infrared thermal imaging technology, comprising: real-time acquisition of infrared thermal imaging data of a target object; determination of skin temperature data of the region of interest on the target object's face based on the infrared thermal imaging data; calculation of the thermal sensation level using the skin temperature data and a thermal sensation evaluation model; and adjustment of the temperature setting of the target device according to the thermal sensation level. This invention uses only the skin temperature of a single area (e.g., facial skin temperature) to evaluate thermal sensation, which is simple, convenient, and highly accurate; it does not require the user to wear a smart device to collect skin temperature, directly acquiring the user's facial skin temperature in a non-contact manner.

The invention relates to the technical field of energy-saving control, and discloses a self-adaptive energy-saving control method and system for building heating and ventilation equipment based on digital twinning. The method comprises the steps of collecting temperature and humidity in a building, heating and ventilation equipment operation, external environment and personnel flow data, extracting energy consumption fluctuation characteristics and performing coupling analysis on the energy consumption fluctuation characteristics and equipment operation data. A distributed lag regression model is constructed in combination with external environment data, the environment influence weight and trend are calculated, and a high-dynamic region is identified through fuzzy reasoning. Energy consumption is predicted based on high-dynamic area data, a waste value is calculated, equipment operation parameters are optimized, and a target power sequence is generated through population iteration. An adjusting instruction is generated through analysis and deployed to a control system, thermal sensation feedback and instantaneous power data are collected, comfort evaluation is conducted, and the adjusting instruction is updated for optimization control. According to the method, dynamic balance of energy conservation and comfort can be realized.

A visual synthesis-based virtual or augmented reality pain treatment apparatus and device. In the apparatus, an interaction control unit generates a pain stimulation scheme matching a current patient to be treated and sends the pain stimulation scheme to a data processing unit. The data processing unit, on the basis of the received pain stimulation scheme, generates a virtual reality environment and a virtual stimulation source visible to the patient in the virtual reality environment. A display unit displays the virtual reality environment and the virtual stimulation source to said patient. The data processing unit, on the basis of a pain category to be induced, determines a stimulation target of a limb and parameters of the virtual stimulation source. The display unit drives the virtual stimulation source to implement a visual approaching motion to the stimulation target of the patient so as to achieve non-real stimulation. The somatosensory system of the patient is activated by means of a vision-nerve coupling mechanism to induce the patient to feel a tactile sensation, a thermal sensation, and / or a cold sensation at the stimulation target and in a nearby area thereof, thereby achieving neuromodulation therapy of a pain pathway.

The invention discloses an intelligent management system and method for a vehicle-mounted air conditioner, and relates to the technical field of vehicle environment control systems.The system comprises a multi-mode environment sensing module, a passenger thermal comfort degree dynamic evaluation module, a thermal load prediction and energy efficiency optimization module, an intelligent actuator cooperative control module and a central processing and data fusion unit; the method comprises the following steps: acquiring environment and physiological data through a multi-source sensor; a deep neural network model is utilized to classify and recognize the thermal sensation state of the passenger, and a unified dynamic comfort index is generated; combining vehicle bus data and navigation information to predict a future cabin thermal load, and constructing a multi-target optimization problem with energy consumption minimization as a target; solving an optimization problem to generate an optimal control strategy combination; and an actuator is driven to cooperatively act through a closed-loop control algorithm. The method improves the recognition precision of the real thermal feeling of the passengers, reduces the energy waste, optimizes the comfort and energy efficiency in a collaborative manner, and reduces the average operation power consumption of the air conditioning system by more than 15%.

To suppress air conditioning control which becomes too cold and too hot.SOLUTION: An air conditioning system 100 according to a first aspect is an air conditioning system 100 that performs air conditioning of an air-conditioned space 200, and includes a subject information acquisition unit 162 that acquires subject information that is information on a subject 201 including presence or absence of the subject 201 in the air-conditioned space 200, an environment information acquisition unit 161 that acquires environment information of the air-conditioned space 200, a heat generation amount derivation unit 163 that derives a heat generation amount of the subject 201 using the subject information, and an operation control unit 165 that controls an air-conditioning operation to lower a thermal sensation index when the heat generation amount in the air-conditioned space 200 increases by a first heat amount or more within a first time, and controls the air-conditioning operation to raise the thermal sensation index when the heat generation amount in the air-conditioned space 200 decreases by a second heat amount or more within a second time.SELECTED DRAWING: Figure 3

The application discloses a control implementation method and device of an intelligent air conditioning equipment. After detecting that a user's corresponding thermal sensation correction prompt is received, the method automatically determines the user's corresponding parameters, such as the user's thermal sensation feedback, current environmental parameters, the user's gender, age and the like, and further automatically corrects the user's current PMV value based on the determined parameters to obtain a corrected PMV value. The control device of the intelligent air conditioning equipment can intelligently adjust the working parameters of the intelligent air conditioning equipment according to the corrected PMV value, thereby improving the adjustment efficiency of the intelligent air conditioning equipment, meeting the needs of different users for environmental comfort, and providing an accurate comfortable environment for the user without manual control of the intelligent air conditioning equipment, even when the user is in a sleep state, thereby improving the user's use experience.

Disclosed are a haptic feedback device and a virtual reality (VR) interface device for simultaneously providing thermo-touch haptic feedback. The haptic feedback device includes a thermal sensation providing unit configured to provide a thermal sensation to a user; a touch sensation providing unit configured to provide a touch sensation to the user; and a fixing device configured to fix at least a portion of the thermal sensation providing unit and at least a portion of the touch sensation providing unit, the thermal sensation providing unit includes a substrate; at least one thermoelectric device (TED) formed on the substrate; and a thermal pad formed on the at least one thermoelectric device (TED), and the touch sensation providing unit includes a base with a hole formed; and a film configured to bond to the base and to elongate according to the air pressure provided through the hole.

To provide an information processing apparatus, etc. capable of supporting construction of thermal environments in both a bedroom and a bed suitable for an individual user.SOLUTION: An information processing apparatus 100 includes a storage unit 130 and an arithmetic processing unit 120. The storage unit 130 stores attribute information including one or both of user's biological information and user's preference information about coldness and hotness. The arithmetic processing unit 120 specifies to which of a plurality of preset thermal sensation groups the thermal sensation of the user belongs, using user's attribute information stored in the storage unit 130, and determines a combination of a room temperature and warming performance of bedding and sleep wear while the user is sleeping according to the thermal sensation group that the user's thermal sensation belongs. The information processing apparatus 100 further includes an output unit 140 for outputting the combination of the room temperature and the warming performance of bedding and sleep wear while the user is sleeping.SELECTED DRAWING: Figure 1

This application provides a method, device, electronic device, and storage medium for controlling the comfort of vehicle occupants. The solution includes: determining whether a clothing change event has occurred based on an image sequence of the occupants; determining the current clothing thermal resistance parameter when a clothing change event is confirmed; determining the current predicted thermal sensation based on the current clothing thermal resistance parameter; and adjusting the cabin environment actuator based on the current predicted thermal sensation and the target thermal sensation value. This application predicts heat changes through an algorithm and adjusts the cabin environment actuator in advance when a clothing change event is detected, before a physical change in body temperature occurs. This achieves proactive feedback, completely eliminating the lag in traditional automatic air conditioning adjustments, ensuring the user remains in a constant state of comfort throughout the entire clothing change process, achieving a "zero-wait" temperature control experience and seamless thermal comfort.

The invention discloses an environment control method and system based on wind speed sensitivity, and the method comprises the steps: carrying out the weakness grade division (non-weakness, weakness early stage and weakness) of old people according to a Fried weakness phenotype; secondly, through a subjective thermal sensation voting (TSV) experiment, personalized wind speed threshold models of old people with different weakness levels under various operation temperatures are established; then, monitoring the head skin temperature and the sweat amount of the user in real time by using an infrared thermal imager and a skin conductivity sensor; and finally, based on the real-time physiological data, the environment temperature and a preset wind speed threshold model, the wind speed of the fan is controlled through a dynamic adjustment algorithm, an attenuation mode is started when the wind speed is close to a tolerance threshold, and meanwhile the environment temperature is cooperatively adjusted. According to the invention, precise and dynamic environment regulation and control of the elderly, especially the weak elderly in the early stage is realized, the thermal comfort is effectively improved, discomfort caused by too strong wind speed is avoided, and the system is especially suitable for the scenes such as nursing homes and apartments for the elderly.

The application provides a floor radiation air conditioning system intelligent control method and system, in which indoor personnel load estimation data and thermal comfort calculation data are acquired to estimate the indoor personnel load; a thermal sensation prediction model is established based on indoor environment parameters and the thermal comfort calculation data; an indoor environment and energy consumption prediction model is established based on indoor and outdoor environment parameters, equipment parameters and air conditioning system operation parameters, so that the indoor environment after adjustment of the air conditioning system and the energy consumption of the air conditioning system are predicted; indoor and outdoor environment parameters, indoor personnel load, thermal sensation and air conditioning system energy consumption are used to respectively construct a personnel thermal comfort target function and an energy consumption target function, and a total target function is determined according to the weight of the personnel thermal comfort target function and the energy consumption target function; the improved Melolontha optimization algorithm is applied to solve the total target function, so that the optimal regulation and control parameters of the floor radiation air conditioning system control are obtained, and the reliability of the floor radiation air conditioning system control is effectively improved.

The invention relates to the technical field of air conditioners, in particular to an air conditioner control method and device, an air conditioner and a storage medium. Determining a neutral environment parameter and a target environment parameter based on the theoretical change curve, wherein a deviation value between the neutral environment parameter and the target environment parameter is a preset deviation; the operation of the air conditioner is controlled; the actual environment parameters of the indoor space where the air conditioner indoor unit is located periodically change between the neutral environment parameters and the target environment parameters, so that the actual environment parameters of the area where the air conditioner indoor unit is located can correspondingly change according to a theoretical change curve of the self-adaptive prediction average thermal sensation index. The method adapts to the hot feeling degree of the human body, better meets the comfort requirement of a user, and avoids the technical problems that in the prior art, the control logic of an air conditioner does not consider the hot feeling degree factor of the human body, and comfort is poor.

The invention relates to the technical field of robots, in particular to a flexible thermal sense robot electronic skin system capable of improving human-computer interaction comfort. The core of the method is that a closed-loop intelligent interaction framework is constructed, and the framework is materialized into a multi-layer flexible hardware system capable of being attached to the surface of a robot. The system comprises a multi-layer flexible composite structure and a controller, wherein the multi-layer flexible composite structure comprises a top encapsulation layer, a heat conduction layer, a non-contact proximity sensing layer, a distributed active heat management layer and a bottom encapsulation layer. According to the system, the skin of the robot can be intelligent, and the contact area is actively and accurately adjusted to the comfortable temperature before user contact is predicted, so that the mechanical ice-cold feeling of a traditional robot is eliminated, and warm, natural and seamless man-machine physical interaction is achieved.

The invention discloses a classical garden space environment evaluation method based on a landscape visual quality and thermal comfort coupling model. The classical garden space environment evaluation method comprises the steps that garden basic data, microclimate actual measurement data, landscape beauty degree scores, thermal sensation voting data and visual quality-thermal comfort weight scores of multiple target measurement points in a target classical garden are acquired; obtaining a landscape visual quality grade map based on the landscape beauty degree score and the garden basic data; obtaining a thermal comfort level map based on the thermal feeling voting data and the microclimate measured data; and based on visual quality-thermal comfort weight scoring, determining a final weight for coupling analysis, and performing weighted overlay analysis on the landscape visual quality grade map and the thermal comfort grade map to generate a coupling grading map of the target classical garden. The visual quality and thermal comfort coupling evaluation method accurately adapts to classical garden space and aesthetic characteristics, gives consideration to space-time dynamic changes and considers crowd perception differences, and provides a scientific basis for classical garden protection.

A warm / cold feeling prediction device (100) comprises: a personal region detection unit (104) that detects, from a thermal image indicating the temperature distribution in a predetermined space, a personal region that is narrower than the predetermined space and is a region of an individual present in the predetermined space; a local humidity estimation unit (106) that estimates a local humidity, which is the humidity of the personal region; and a warm / cold feeling prediction unit (107) that predicts the warm / cold feeling of the individual by using the local humidity.

The invention discloses an old people thermal comfort prediction method and system. Four groups of subjective feeling models for predicting TSV (thermal sensation) and ASV (wind sensation) of the old people with different weakness levels are respectively constructed on the basis of multi-dimensional parameters of the old people with different weakness levels, wherein the multi-dimensional parameters comprise environmental parameters, body parameters, physiological parameters, skin temperature change characteristics, skin temperature and sweating amount change characteristics and overall and local flow changes. The TSV (thermal sensation) and ASV (wind sensation) subjective feeling models are used for predicting the TSV (thermal sensation) and ASV (wind sensation) of the old people with different weakness levels. And meanwhile, an optimal model feature subset is extracted by adopting recursive feature elimination, and a prediction model with optimal performance is established. The method can provide solid data basis and modeling method support for subsequent intelligent control of the thermal environment suitable for aging.

The application provides a cabin personnel thermal sensation evaluation method and system based on infrared thermal imaging, comprising the following steps: S1, collecting the temperature of an imaging area, the solar radiation intensity in the vehicle cabin and the air temperature in the breathing area of the vehicle passenger in real time; S2, extracting the cheek area temperature in the thermal image and carrying out denoising processing to obtain a cheek skin temperature signal; S3, transmitting the air temperature, the solar radiation intensity and the cheek skin temperature to a vehicle cabin thermal sensation calculation model to calculate a thermal sensation grade; and S4, generating a corresponding air conditioner temperature adjustment instruction according to the thermal sensation grade of the vehicle passenger and transmitting the instruction to a microcontroller, and the microcontroller sends the instruction to a cabin air conditioner main controller to adjust the set point of the air conditioner. The application evaluates the thermal sensation by using the skin temperature of a single part, is simple and portable, does not need to use the skin temperature of multiple nodes as input, and has high accuracy.

This invention relates to a method, device, and medium for evaluating human thermal comfort based on radiant cooling fabrics. The method includes: collecting first and second multi-source data under multiple different test scenarios, with and without radiant cooling fabrics; preprocessing and extracting multi-dimensional features from the first and second multi-source data, respectively, and constructing a first feature matrix and a second feature matrix based on the extracted multi-dimensional features; predicting a first thermal sensation voting value and a second thermal sensation voting value using machine learning models based on the first and second feature matrices, respectively; and quantitatively evaluating human thermal comfort based on the first and second thermal sensation voting values. The device and medium are used to implement the above method. Compared with the prior art, this invention provides a method that can more accurately evaluate the improvement in thermal comfort based on radiant cooling fabrics.

To provide a new type measuring device capable of easily measuring contact cold feeling or contact warm feeling of an object.SOLUTION: The contact thermometer includes a contact element 2 to be brought into contact with an object 0 whose contact cool / hot feeling is to be measured, a temperature sensor 3 for detecting the current temperature of the contact element 2, and a temperature control mechanism 4 capable of controlling the temperature of the contact element 2 detected via the temperature sensor 3 to an arbitrary value by energization. And a control part 5 for measuring a current value supplied to the temperature control mechanism 4 at that time.SELECTED DRAWING: Figure 2

The application relates to the automobile air conditioner adjusting field, and discloses an automobile air conditioner adjusting method, device and automobile. The method comprises the following steps: acquiring multi-source heat load data in a vehicle; inputting the multi-source heat load data into a preset vehicle heat load calculation model to perform vehicle heat load calculation and output a heat load calculation result; determining a thermal sensation state of a vehicle occupant based on occupant body surface temperature data, wherein the thermal sensation state comprises an overheating state, an overcooling state and a normal comfort state; and adjusting air conditioner operation parameters of a vehicle air conditioner based on the thermal sensation state of the vehicle occupant and the heat load calculation result. The application accurately adapts the air conditioner operation parameters to the occupant thermal sensation and the actual vehicle thermal environment, meets the air conditioner use requirements of the vehicle occupant, and improves user comfort.

The invention relates to a submicron volcanic mud skin cleaning soap and a preparation method thereof, and belongs to the technical field of skin care. The skin cleaning soap comprises 5%-10% of submicron volcanic mud, a cleaning substrate, an antioxidant glowing component, a microcirculation promoting component and a natural flavoring component. The preparation method comprises ion exchange purification of volcanic mud, preparation of microcapsules, a submicron dispersion technology, a low-temperature mixing technology and a cold preparation method. The skin cleaning soap disclosed by the invention has the advantages of delicate skin feeling, mildness, no damage to a barrier and moisture and no tightness after washing while keeping the extreme cleaning power, and the moisturizing, repairing, relieving and anti-allergy, foam experience and product stability are remarkably improved. The anti-oxidation and microcirculation promoting functions are integrated, blood circulation is promoted through micro-thermal sensation and bubble sensation generated by microcapsule rupture, luxurious SPA experience is provided, and the components are natural and reliable.

The invention discloses an air conditioner load double-layer regulation and control strategy considering user comfort, and belongs to the technical field of intelligent power grid demand side management. According to the method, thermal sensation voting (TSV) and a temperature and humidity index (THI) model are fused to construct a human body comfort model, and an acceptable temperature interval of a human body is scientifically determined; an electric power company-load aggregator-user double-layer optimization framework is established, and an upper layer takes the minimum scheduling cost as a target and generates a time-phased load reduction instruction through linear programming; the lower layer takes the air conditioner set temperature as a decision variable, under the constraint of a comfortable temperature interval, a multi-target optimization model is established with the minimum error of temperature deviation from an expected value and load tracking as a target, and a user-level temperature set value is solved by adopting an improved multi-target black-wing optimization algorithm (MOIBKA). According to the invention, humidity and human body thermal sensation are comprehensively considered, the problem of comfort evaluation deviation of a traditional method is overcome, and power grid dispatching efficiency and stable operation level can be improved.

The embodiment of the invention provides an air conditioner control method and device, electronic equipment and a medium. The method comprises the steps that radar signals reflected by a user and detected by a phased array radar are obtained; indoor environment parameters and operation parameters of an air conditioner compressor are obtained; determining a thermal sensation index of the user according to the radar signal, the indoor environment parameter and the operation parameter; and controlling the operation state of the air conditioner according to the thermal sensation index and the radar signal. Therefore, the heat feeling index of the user is accurately determined based on the radar signal, the indoor environment parameters and the operation parameters, the air conditioner is further accurately controlled based on the heat feeling index, the use experience of the user is greatly improved, and the comfort of the user is improved.

The application relates to the technical field of vehicle engineering, and discloses a neural network-based cabin occupant thermal comfort evaluation method and system, which comprises the following steps: arranging an environment sensor array with limited installation length and angle at key parts of the body surface of the cabin occupant; collecting air temperature, humidity, wind speed and solar radiation intensity data by using an asymmetrically strengthened measuring point arrangement; inputting the collected environment data into a trained neural network thermal physiological model, calculating and outputting the skin temperatures of 19 parts of the occupant; introducing a Berkeley thermal comfort evaluation model to calculate local thermal sensation, local thermal comfort, overall thermal sensation and overall thermal comfort indexes; and finally forming a thermal environment evaluation curve for the adjustment of a cabin thermal management controller. The application can be used for the dynamic prediction and closed-loop control of cabin thermal comfort, improves the consistency of sensor collection results, and improves the evaluation stability under a non-uniform environment.

The invention relates to a method for controlling a temperature (58) of a vehicle interior (12) of a vehicle (10), the temperature (58) being controlled by a controller (22), in particular a PID controller, in that a controller output variable (60) for controlling the temperature of the vehicle interior (12) is output by the controller (22), which is determined at least as a function of the measured temperature (58) of the vehicle interior (12). According to the invention, the regulator output variable (60) is fed as an input variable to a fuzzy logic (64), said input variable being smoothed by the fuzzy logic (64) at least as a function of at least one individual temperature sensing value, in particular a PMV value (62), of at least one vehicle occupant (40).

The application discloses a refrigeration control method and controller of an air conditioning system and the air conditioning system. In the refrigeration mode, if the difference between the indoor environment temperature and the set temperature is less than a preset first temperature value, the mode based on the indoor coil temperature is entered, the target coil temperature is determined according to the rotating speed of the indoor fan, and then the operating frequency of the compressor is controlled according to the indoor coil temperature and the target coil temperature. In this mode, the corresponding target coil temperature can be matched according to different rotating speeds, and then the outlet air temperature is adjusted. On the one hand, the situation that the indoor environment temperature approaches the set temperature and the low air volume gear is turned in the prior art can be avoided, the air field of the indoor unit effectively disturbs the indoor air, and on the other hand, the indoor environment temperature detected by the air conditioning system is close to the user's thermal sensation temperature through the control of the outlet air temperature, and the comfort of the user in the use process is improved.

The application discloses a refrigeration equipment, and belongs to the refrigeration equipment field. The refrigeration equipment comprises a main fan, a main air duct, an auxiliary air duct, an auxiliary fan, and an infrared sensor. The main fan is used for driving air flow in the refrigeration equipment. The main air duct is arranged between the main fan and a main air outlet of the refrigeration equipment. The auxiliary air duct is communicated between the main air duct and an auxiliary air outlet. The auxiliary fan is used for driving air flow of the main air duct to the auxiliary air outlet. The infrared sensor is used for acquiring sensor data around the refrigeration equipment in the case that the refrigeration equipment is turned on. The sensor data comprises at least one of position information of a user from the refrigeration equipment and thermal sensation information of the user. A controller is used for controlling the rotating speed of the main fan, controlling a target number of centrifugal fans to be turned on, and controlling a target position of the centrifugal fan to be turned on based on the sensor data. The refrigeration equipment can realize detection and feedback control based on the real temperature and cold feeling of the user, and realize automatic adjustment control with the personalized demand of the actual thermal sensation of the user as the target.

The invention relates to the technical field of air conditioning equipment, in particular to a control method and a control system of an overhead air conditioner, and aims to solve the problems that the overhead air conditioner only takes air temperature as a control target and neglects the influence of other factors on the comfort of passengers, so that the comfort of the passengers in a vehicle is low, and the riding experience of the passengers is influenced. In order to achieve the purpose, the control method of the overhead air conditioner comprises the following steps that an in-vehicle environment parameter set and an in-vehicle personnel parameter set are obtained; according to the in-vehicle environment parameter set and the in-vehicle personnel parameter set, an overall thermal comfort index is obtained through calculation; and the operation state of the overhead air conditioner is adjusted according to the overall thermal comfort index. According to the method, the parameter sets of two dimensions including the in-vehicle environment parameter set and the in-vehicle personnel parameter set are collected, the overall thermal comfort index is obtained through calculation, the overall thermal comfort index reflecting the real thermal feeling of the human body is used for adjusting the running state of the overhead air conditioner, and the thermal comfort of passengers in the vehicle and the riding experience can be improved.

To provide an estimation device for easily estimating the thermal sensation of a person in a building on the basis of a skin area and skeleton information.SOLUTION: An acquisition unit 101 that acquires image information from a camera 300 that captures an image including a person who is present in a building, a skin region unit 103 that extracts a skin region of the person who is present in the building on the basis of the image information, a skeleton information unit 104 that obtains skeleton information of the person who is present in the building on the basis of the image information, and a coordinate unit 105 that obtains forearm coordinates including coordinates of an elbow and coordinates of a wrist of a forearm of the person who is present in the building and a plurality of discrete intermediate coordinates between the elbow and the wrist on the basis of the skeleton information; A sleeve roll-up estimation unit 106 that estimates a sleeve roll-up amount on the basis of the skin region and the forearm coordinates, and a change unit 108 that changes a predetermined set value in control of the air conditioning device 500 on the basis of the estimated sleeve roll-up amount.SELECTED DRAWING: Figure 1