165 results about "Human body temperature" patented technology

The invention provides a temperature control method and device of a mobile terminal, equipment and a storage medium. The method comprises the steps that element temperature data and shell temperature data of the mobile terminal are acquired; when the element temperature data is greater than the preset temperature data, calculating first environment temperature data according to the element temperature data and the shell temperature data; calling an infrared camera to obtain second environment temperature data, and detecting whether human body temperature data exists in the second environment temperature data or not; if the human body temperature data is not detected, selecting a target temperature control mode from first preset temperature control modes according to the first environment temperature data and the second environment temperature data; if the human body temperature data is detected, updating the second environment temperature data to third environment temperature data according to the human body temperature data, and selecting a target temperature control mode from second preset temperature control modes according to the first environment temperature data and the third environment temperature data; and performing temperature control on the mobile terminal according to the target temperature control mode.

The invention discloses an air conditioner intelligent regulation and control method and device based on a comfort model. The method comprises the steps that firstly, the indoor environment temperature and the human body temperature are collected in real time through a sensor module; then, an environment comfort model to be used in a temperature interval corresponding to the indoor environment temperature is determined, and meanwhile, a human body comfort model to be used in a temperature interval corresponding to the human body temperature is determined; inputting the indoor environment temperature into a to-be-used environment comfort degree model to obtain an indoor environment comfort degree value, and inputting the indoor environment temperature and the human body temperature into a to-be-used human body comfort degree model to obtain a human body comfort degree value; and air conditioner control parameters are determined based on the indoor environment comfort level value and the human body comfort level value. The air conditioner can be controlled according to changes of the indoor environment and changes of the human body temperature of the user, and therefore the experience comfort of the user is improved.

The invention relates to the technical field of air conditioner control, in particular to an air conditioner control method and system based on multi-sensor fusion, a first temperature sensor obtains the temperature of a single point, and a second temperature sensor obtains temperature array data; based on a frame difference filtering algorithm, the number of indoor people and human body coordinate positions are detected, disturbance of the human body temperature to the environment temperature is filtered, the temperature of the first temperature sensor and the temperature of the second temperature sensor are fused through a weighted average method, and the indoor average temperature is obtained; and controlling the power of the compressor and adjusting the angle of the air guide strip according to the temperature difference between the indoor average temperature and the set temperature. Errors caused by a traditional single temperature measurement mode are effectively avoided, the indoor environment temperature detection precision is improved, the number of people in a room and human body coordinate position information can be detected in real time, interference of human body temperature on environment temperature measurement can be removed, the intelligent sensing capacity of an air conditioner system is achieved, and the indoor environment temperature detection precision is improved. And the somatosensory comfort of the user is improved.

The invention discloses a night penetration type scene reconstruction system based on millimeter wave radar and thermal imaging fusion, and relates to the technical field of multi-source data processing. A space point cloud collection module is arranged to scan indoor space through millimeter wave radar to generate depth point cloud data in real time; a temperature distribution collection module captures human body temperature distribution characteristics through a thermal imaging sensor, a data fusion module is set to fuse the depth point cloud data and the human body temperature distribution characteristics into three-dimensional scene data, and a risk point prediction module is set to input the fused three-dimensional scene data into a lightweight convolutional network. Risk points of the shielded area are predicted, an action detail reduction module is arranged, limb action details of the user are reduced through human body temperature distribution characteristics, and a posture early warning module triggers an early warning signal according to a risk point prediction result and the user action details and does not perform processing; the association analysis of the environmental risk and the user behavior is realized, and a more comprehensive security guarantee is provided.

The invention provides a calibration method for real-time dynamic blood glucose monitoring. The calibration method comprises the steps that 1, weak current signals generated by a glucose sensitive electrode are obtained regularly; 2, filtering the detected weak current signal by adopting a sliding window double-layer screening algorithm; 3, monitoring the body temperature of the human body, compensating the temperature based on the filtered weak current value, and estimating the glucose concentration after temperature compensation; 4, monitoring the PH value of the human blood, compensating the PH value according to the filtered weak current value, and estimating the glucose concentration after PH value compensation; and 5, combining the glucose concentrations after temperature and pH value compensation, and carrying out filtering processing on the combined glucose concentrations by adopting a parameter compensation filtering algorithm to obtain a final glucose concentration estimation result.

The invention belongs to the technical field of medical instruments, and particularly relates to a guide wire insertion guiding device for cardiovascular surgery, which comprises a frame, a handle fixedly connected to the side surface of the frame, driving wheels symmetrically arranged on a strip-shaped frame, driven wheels rotationally arranged on the strip-shaped frame in an array manner, and a driving motor arranged in the strip-shaped frame, a driven mechanism is arranged in the strip-shaped frame, a ventilation pipe is fixedly arranged in the driven wheel, a connecting cylinder is movably connected to the bottom end of the ventilation pipe, a communicating pipe is fixedly connected to the bottom of the connecting cylinder, and a flow dividing pipe is arranged in the strip-shaped frame. According to the guide wire insertion guiding device for the cardiovascular surgery, the temperature of a guide wire can be conveniently adjusted by adopting an electric heating block and a driven wheel, the machine works to generate wind flowing, the electric heating block works to heat a shunt tube, and when wind flows in the shunt tube, the driven wheel and the guide wire are heated; the temperature of the guide wire is close to that of a human body, and adaptability of the guide wire insertion guiding device for cardiovascular surgery is improved.

The invention relates to a body temperature regulation and control system, which comprises a body temperature regulation module, a body temperature monitoring module, a dynamic regulation module, a simulation module, an intelligent control module and an information collection module, and is characterized in that the intelligent control module receives real-time data of the body temperature monitoring module, sends a preliminary control instruction to the body temperature regulation module based on a preset algorithm, and sends the preliminary control instruction to the information collection module; an instruction of the dynamic adjustment module and prediction data of the simulation module are received, follow-up control commands and simulation modules are dynamically adjusted in real time according to the predicted human body temperature change trend and dynamic adjustment requirements, an individualized human body temperature distribution simulation model can be dynamically constructed and updated, and according to a target body temperature track provided by the dynamic adjustment module, the human body temperature distribution simulation model can be dynamically adjusted. The human body temperature distribution simulation model simulates and predicts human body core temperature and body surface temperature distribution change in a future period of time, and feeds back a prediction result to the dynamic adjustment module and the intelligent control module; the system has the advantage of ensuring accurate body temperature management.

The invention provides a sleep nursing device capable of automatically adjusting temperature, which relates to the field of sleep nursing and comprises a shell, a surface shell and a flexible electric heating sheet, the inner side face of the machine shell is connected with a control mainboard through bolts, a through hole is formed in the position, close to the left end, of the upper side face of the machine shell, a wireless transceiver is installed in the through hole of the machine shell, a meter cover is bonded to the lower side face of the meter shell, an infrared temperature measuring sensor is installed in the through hole of the meter cover, and a miniature wireless transmitter is installed in the through hole of the meter shell. The left end and the right end of the flexible electric heating piece are each provided with an attaching pad in an adhesive mode. Through the arrangement of an infrared temperature measurement sensor, a micro wireless transmitter, a wireless transceiver and a flexible electric heating sheet, the temperature of the heating mattress can be automatically regulated and controlled according to the body temperature change rule in different sleep periods at night; the problem that the sleep quality of a patient is damaged due to uncomfortable sleep temperature of a human body caused by the fact that a traditional warm mattress in sleep nursing cannot automatically control and adjust the temperature according to the temperature change of the human body sleeping at night is solved.

1. The name of this design product: infrared thermal imager housing. 2. Purpose of this design product: Used as the shell of an infrared thermal imager, which realizes non-contact temperature measurement and is mainly used in human body temperature measurement, industrial temperature measurement, fire warning, power monitoring, etc. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 Stereoscopic Drawing 1. 5. Designate Design 1 as the base design. 6. Other situations that need explanation Other explanations: The three-dimensional diagram shows the entire shape structure of the infrared thermal imager housing. This appearance is requested to be protected as a partial appearance design. The part represented by the solid line is the part for which protection is requested, and the part represented by the dotted line is the part for which protection is not requested.

The invention discloses a production method and system of a sanitary towel with a self-adaptive temperature adjustment function, and relates to the field of sanitary towels. And obtaining physical sign data, blood volume and motion images. And based on the physical sign data, the blood volume and the motion image, predicting a human body state to obtain a menstrual state category. And based on the menstrual state category and the human body temperature, obtaining an adjustment temperature. And recording the body state through the neural network. According to the female menstrual period nursing product integrated with the intelligent temperature control system, through real-time monitoring and intelligent adjustment, the technical effects that the local optimum temperature can be maintained, menstrual period discomfort is relieved, and the comfort level and the health management level are improved are achieved.

1. The name of the design product: industrial infrared temperature measuring gun. 2. The use of the design product: for measuring human body temperature, skin temperature, object temperature, liquid temperature. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view.

The present application relates to the technical field of hydrogel, in particular to an injectable temperature-responsive enhanced composite double-network magnetic particle gel, a preparation method and application thereof, the hydrogel is composed of a particle gel network formed by gelatin nanoparticles and Fe3O4 nanoparticles through electrostatic interaction and a poly-N-isopropyl acrylamide (PNIPAM) based temperature-sensitive polymer gel network. At room temperature, the hydrogel has excellent shear thinning and self-healing properties, and can be easily injected through a needle and a microcatheter. When the temperature rises to human body temperature (37 DEG C), the temperature-sensitive polymer phase transition crosslinking enhances the mechanical properties of the gel network. The hydrogel is injectable in vitro, temperature-responsive in vivo, meets the requirements of vascular interventional embolization materials, and can be magnetically heated under an alternating magnetic field, and is used for liver cancer embolization combined with magnetic heating treatment. The preparation method is simple, has high biocompatibility, and has great clinical application potential.

According to the scheme, the temperature of all parts of the human body is monitored in real time through a temperature monitoring layer, semiconductor coolers in the corresponding areas are adjusted, zoned temperature adjustment is achieved, the comfort degree of the human body is effectively improved, heat is transferred through high-thermal-conductivity magnetic fluid, and the intelligent somatosensory adjusting mattress is suitable for being used in the field of mattresses. The high-thermal-conductivity magnetofluid is guided to move back and forth among different parts of the human body through the magnetic attraction effect of the second temperature adjusting combiner, discomfort of the human body caused by continuous heating or cooling of a certain part is avoided, in addition, flowing of the high-thermal-conductivity magnetofluid facilitates simplification of a temperature control structure, noise is avoided, and the service life of the temperature adjusting combiner is prolonged. The first temperature adjusting combiner can conduct fixed-point heating on specific parts of the human body and is suitable for hot compress physical therapy of people with cold bodies, in addition, a semiconductor temperature sensor is additionally arranged to compare the difference between the room temperature and the temperature of the human body, and people can be prevented from catching a cold in a whole-body heating mode after the situation that a quilt is kicked occurs.

The application relates to the field of temperature control valves, and provides a temperature control valve system which comprises a first three-way valve, a second three-way valve, a temperature sensor, a delivery pump and a control terminal, forms multiple different circuits, utilizes the temperature sensor to monitor the fluid temperature in a first pipeline in real time, utilizes the control terminal to control the opening and closing and opening degree of each valve according to the data monitored by the temperature sensor, and timely reduces or increases the temperature, and improves the response speed. The application also provides an air wave therapeutic instrument provided with the temperature control valve system, which comprises a capsule body, the temperature control valve system and a cold water tank. The application has the effects that the temperature is adjusted by using the human body temperature of a user, the cost of the air wave therapeutic instrument is reduced, green environmental protection is realized, meanwhile, the temperature of the whole system is ensured to be not too high, and the effect of avoiding scalding is achieved.

This invention discloses a method for preparing a thermosensitive hemostatic gel, which is prepared by mixing a thermosensitive polymer solution with a solution of micron-sized polymer particles or microspheres with hemostatic function. The concentration of the solution of micron-sized polymer particles or microspheres with hemostatic function is 3-100 mg / mL; the concentration of the thermosensitive polymer solution is 200-450 mg / mL; the diameter of the micron-sized polymer particles or microspheres with hemostatic function is 300-900 micrometers; the gelation temperature of the thermosensitive hemostatic gel from a flowing liquid state to a solid state is greater than 15 degrees Celsius, and it is a flowing liquid state at temperatures below 15 degrees Celsius. Under the condition of warming up in response to the human body temperature, the flowing liquid hemostatic gel transforms into a solid hemostatic gel, thereby achieving the hemostatic function. The micron-sized polymer particles or microspheres in the thermosensitive hemostatic gel will not enter the damaged blood vessel during the hemostasis process.

This invention specifically relates to a self-powered flexible body temperature detection and regulation system and method, belonging to the field of new energy energy harvesting and human body thermal management technology. The system includes: a thermoelectric device module and an energy harvesting and temperature regulation circuit module; the thermoelectric device module is formed by welding multiple sets of n / p type thermoelectric semiconductors on a flexible PCB board in sets; on the one hand, it uses the temperature difference between the human body temperature and the environment to generate a fluctuating voltage and transmits it to the energy harvesting and temperature regulation circuit module; on the other hand, it is used to heat or cool the human body under the control of the energy harvesting and temperature regulation circuit module; the energy harvesting and temperature regulation circuit module is used to stabilize and boost the fluctuating voltage generated by the thermoelectric device module for energy storage, and on the other hand, when the temperature difference between the human body surface temperature and the thermoelectric device module is detected to be greater than a set threshold, it controls the thermoelectric device module to heat or cool.

The invention belongs to the technical field of air water production equipment, and provides a portable wearable air water production machine capable of recovering human body humidity, a machine body comprises a rectification bin and a water tank which are arranged up and down, two wearable straps are fixed on the side surface of the machine body, a power supply bin is arranged on the side surface of the water tank, and the rectification bin communicates with the water tank through a water through hole; a semiconductor refrigeration device is installed in the rectification bin, the two ends of the upper side of the rectification bin are each communicated with an air inlet pipe, adsorption pipes are installed at the outer ends of the air inlet pipes, micron-level array adsorption holes are distributed in the surfaces of the adsorption pipes, and an air outlet is formed in the middle of the upper side of the rectification bin; and a water outlet switch is mounted at the lower end of the water outlet. The semiconductor refrigeration technology and the human body temperature and humidity recovery technology are combined, drinkable water can be produced more efficiently, the weight is light, noise is low, energy consumption is low, refrigeration is rapid, and no pressure container and no potential safety hazard exist; the device is small and exquisite in structure and convenient to carry and can be easily carried by adults.

The invention discloses a passive variable-diameter medical cannula and a cannula assembly. The cannula comprises an in-vivo tube and an in-vitro tube which are communicated with each other; the in-vivo pipe can be deformed and compressed along the radial direction of the cross section of the in-vivo pipe, so that the in-vivo pipe is fed into a body by virtue of a pipe feeding component after being deformed and compressed; the in-vivo tube has a shape memory function and can restore to the original shape under the human body temperature condition after the tube feeding component is removed; the in-vivo pipe can be compressed again in the radial direction of the section of the in-vivo pipe by means of the pipe withdrawing component to be withdrawn out of the body. The intubation tube has the advantages that the intubation tube can be conveniently fed into the body and withdrawn out of the body by adjusting the size of the section of the upper in-vivo tube, and the intubation tube is stably positioned in an operation.

The invention provides a human body heat and humidity responsive dynamic temperature-adjusting fiber membrane and a preparation method thereof, and particularly relates to the technical field of intelligent temperature-adjusting materials, the fiber membrane is composed of a silver nanowire functional layer and a humidity responsive part, and is prepared by compounding electrostatic spinning and gas jet spinning technologies, the humidity response part comprises a polyvinyl alcohol nanofiber membrane and a polyvinylidene fluoride-hexafluoropropylene copolymer nanofiber membrane arranged above the polyvinyl alcohol nanofiber membrane, so that the material can be quickly deformed when the humidity of a human body is changed (sweating), and quick sweat evaporation and heat convection are realized; the silver nanowire functional layer endows the material with excellent radiation regulation and control capability, radiation heat preservation can be performed at low temperature, and intelligent heat management is realized. The fiber membrane can dynamically adjust the body temperature of a human body according to the environment temperature (the sweating state of the human body), has a Joule heating function and has wide application prospects in the field of intelligent textiles.

A method for preparing a temperature-regulating medical protective nonwoven fabric and the resulting nonwoven fabric enhance the hydrophilicity of the fabric surface through the reaction of dopamine and polyethyleneimine, thereby evenly distributing silicon particles on the flash-steamed nonwoven fabric. This optimizes its infrared emission performance within a specific wavelength range, improves the thermal radiation penetration of the coating, and reduces the accumulation of infrared radiation from the human body inside the protective clothing, thereby achieving radiative cooling and lowering the body temperature. Furthermore, due to the excellent antiviral and biochemical barrier properties of the flash-steamed nonwoven fabric, it is suitable for use as a medical material. Therefore, the present invention not only has excellent thermal radiation penetration but is also suitable for use in medical environments.

The invention relates to the technical field of field effect transistors, in particular to a field effect transistor based on human body temperature response and a preparation method and application thereof. Comprising a substrate layer, an electrode layer and a channel layer, the electrode layer is positioned above the substrate layer; the electrode layer comprises a source electrode, a drain electrode and an independent grid electrode, the channel layer is arranged above the substrate layer, is positioned in a gap between the source electrode and the drain electrode and is used for connecting the source electrode and the drain electrode; the device is characterized by further comprising a temperature-sensitive gel dielectric layer, and the temperature-sensitive gel dielectric layer is positioned above the channel layer and is used for bridging the channel layer and the grid electrode. According to the field effect transistor, the temperature-sensitive gel is used as the dielectric layer, and the temperature-sensitive gel dielectric layer has excellent adhesion, can be automatically adhered to the surface of a device and is not easy to fall off; the temperature-sensitive gel dielectric layer has bendability, the modulus of the temperature-sensitive gel dielectric layer is close to that of human skin, and the temperature-sensitive gel dielectric layer has a wide prospect in the field of wearable organic electrochemical transistor sensors.

A wearable human body temperature adjusting device comprises a supporting main body made of a hard material, a plurality of ventilation holes are formed in the supporting main body, two shoulder straps used for achieving device wearing are symmetrically arranged on the supporting main body, and the supporting main body is attached to the upper back of a human body when being worn; the supporting body and the shoulder straps are provided with a plurality of temperature adjusting mechanisms attached to the upper back and the front chest of the human body respectively. The supporting body comprises a first attaching area and a second attaching area, the first attaching area and the second attaching area are attached to the scapular area and the latissimus dorsi upper portion area respectively during wearing, and the temperature adjusting mechanisms arranged on the supporting body are arranged in the first attaching area and the second attaching area respectively. And the temperature adjusting mechanism arranged on the shoulder strap is attached to the upper area of pectoralis major muscle when being worn. The hard supporting structure has the beneficial effects that through the design that the hard supporting main body is attached to the specific subareas, the contradiction that an existing soft material is prone to fatigue and looseness and a hard material is poor in attachment is solved.

This invention relates to the field of colloid and interface technology, specifically to a human body temperature-responsive microcapsule, its preparation method, and its applications. The method uses food-grade polyglycerol ricinoleate (PGPR) as a single emulsifying stabilizer and leverages the solid-liquid phase transition property of lard near human body temperature to prepare a microcapsule emulsion with a human body temperature-responsive release function for the loaded ingredient through a two-step process. This invention enables the microcapsules to release functional loaded ingredients in response to human body temperature, and has significant potential applications in food encapsulation, drug sustained release, and cosmetics.

The present application belongs to the technical field of functional textile and home textile, and discloses a home textile fabric with moisture absorption and sweat releasing functionality, which is a composite structure composed of a moisture absorption and sweat releasing layer, a temperature sensing and regulating layer and an antibacterial and anti-mite layer. The moisture absorption and sweat releasing layer is composed of cold moisture absorption fiber, structural base fiber and hydrophilic additive, and is used for realizing rapid moisture conduction and water vapor diffusion; the temperature sensing and regulating layer introduces microcapsule coated phase change material, and has the functions of heat buffering and temperature regulation within the human body temperature range; the antibacterial and anti-mite layer is induced by cold plasma to graft tea polyphenol, sophoramine or nano-silver, and realizes long-acting antibacterial and anti-mite performance without coating and migration. The layers are laminated by hot pressing to form a composite fabric with stable structure, which is suitable for bed sheet, quilt cover and pillowcase products. The fabric integrates moisture absorption, temperature regulation and antibacterial and anti-mite functions, has good comfort and durability, meets the demand of sleep environment adjustment in different seasons, and has significant practical value and market prospect.

The utility model provides a beauty instrument capable of raising the body temperature of a human body, which relates to the technical field of beauty instruments and comprises a movable base, an adjusting rod used for adjusting the height of the beauty instrument is fixedly mounted on the movable base, and the upper end of the adjusting rod is connected with a support; the beautifying mechanism and the liquid storage mechanism are arranged at the two ends of the support respectively, the beautifying mechanism comprises a beautifying cover, and the liquid storage mechanism comprises a liquid storage tank used for storing liquid; and the heating mechanism comprises a heating structure for promoting the body temperature of the human body to rise, and the heating mechanism is arranged on the adjusting rod. According to the heating mechanism, the sliding block, the toothed ring and the teeth are matched, so that the angle of the heating plate is flexibly adjusted, uniform and accurate coverage of heat can be ensured no matter for large-area face beautifying or small-area local nursing, the beautifying effect is improved, and meanwhile, the comfort degree of consumers during beautifying is also improved.

The invention provides a constant-temperature battery, application and an implantable medical device, and relates to the technical field of medical devices. The constant-temperature battery is characterized in that a temperature-sensitive hydrogel layer is grown on the surface of a battery shell in situ, temperature-sensitive hydrogel of the temperature-sensitive hydrogel layer has biocompatibility, and the phase change temperature is 36-39 DEG C. The temperature-sensitive hydrogel with biocompatibility and the phase change temperature of 36-39 DEG C grows on the surface of the battery shell in situ, when the temperature of the battery exceeds the phase change temperature, the hydrogel absorbs heat in a phase change mode, and when the temperature of the battery is lower than the phase change temperature, the hydrogel releases heat in a phase change mode, so that the overall constant temperature is maintained, and the service life of the battery is prolonged. When the battery is used as a power supply of an implantable medical facility, the battery can adapt to the temperature of a human body, does not cause overheating of peripheral tissues, can also adapt to actual use environment adjustment requirements, and can be widely applied to the field of implantable medical instruments.

The present disclosure discloses an air conditioner and a control method thereof, the air conditioner comprising a human body temperature detection device, an indoor temperature detection device and a controller, the human body temperature detection device being configured to detect a face temperature of a target user; the indoor temperature detection device being configured to detect an indoor environment temperature; the controller being configured to input the face temperature and the indoor environment temperature into a user individual temperature and cold and warm feeling decision tree model, determine a temperature and cold and warm feeling state of the target user according to an output value of the user individual temperature and cold and warm feeling decision tree model, adjust a current set target temperature according to the temperature and cold and warm feeling state, and control the air conditioner to operate according to the adjusted target temperature, wherein at least six layers of temperature decision condition sets configured in the user individual temperature and cold and warm feeling decision tree model constitute a plurality of temperature judgment branches. The air conditioner and the control method thereof can meet the individual user comfort requirement and improve the comfort of the air conditioner.

An in-vehicle human body temperature tracking method, comprising: determining a preliminary region of interest in an in-vehicle infrared image on the basis of a partition template library; determining a target human body part, the target human body part being a region composed of pixel points having pixel values greater than a corresponding adaptive threshold in the preliminary region of interest; and acquiring temperature change data of the target human body part on the basis of a plurality of consecutive in-vehicle infrared image frames.

1. The name of the product under this design: Thermometer. 2. Purpose of the product of this design: A thermometer used to measure human body temperature. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The application discloses an air conditioner and a control method thereof. The air conditioner comprises a human body temperature detection device, an indoor temperature detection device and a controller. The human body temperature detection device is used for detecting the face temperature of a target user. The indoor temperature detection device is used for detecting the indoor environment temperature. The controller is configured to input the face temperature and the indoor environment temperature into a user individual temperature and cold and warm feeling decision tree model, determine the temperature and cold and warm feeling state of the target user according to the output value of the user individual temperature and cold and warm feeling decision tree model, adjust the current set target temperature according to the temperature and cold and warm feeling state, and control the air conditioner to operate according to the adjusted target temperature. At least six layers of temperature decision condition sets configured in the user individual temperature and cold and warm feeling decision tree model constitute multiple temperature judgment branches. The air conditioner and the control method thereof can meet the individual user comfort requirement and improve the comfort of the air conditioner.