51results about How to "Good thermal comfort" patented technology

The invention provides a renewable energy coupled energy storage and temperature regulation wall body system and a using method thereof. The renewable energy coupled energy storage and temperature regulation wall body system is characterized by comprising a temperature regulation wall body, a solar energy device and a shallow soil heat exchange tube; the solar energy device is arranged on a roof of a room; the shallow soil heat exchange tube is buried in the ground; the temperature regulation wall body is connected with the solar energy device and the shallow soil heat exchange tube; one end of the shallow soil heat exchange tube is connected with a water supply pipeline three-way reversing valve, a heat exchange tube water pump and a heat exchange tube flow meter; the other end of the shallow soil heat exchange tube is connected with a water return pipeline three-way reversing valve through a pipeline; the temperature regulation wall body comprises an inner wall plastering layer, a phase change energy storage plate, binding mortar, an inner wall body and an outer wall plastering layer in turn along the direction from interior to exterior; small pipe diameter of coiled pipes are uniformly embedded in the phase change energy storage plate along the direction of the height of the wall body; a water inlet end and a water outlet end of the small pipe diameter of coiled pipes re located at the bottom of the temperature regulation wall body. The using method is divided into three working condition modes of the winter working condition mode, the summer working condition mode and the transition season working condition mode.

The invention provides a heat supply and cold supply system capable of achieving solar energy and underground water combined energy supply. The heat supply and cold supply system comprises a solar energy heat collecting module, a phase-change heat storing module, a heat supplying and cold supplying terminal module and a temperature and humidity independent control air conditioner module; and different subsystems including a solar energy phase-change heat storing subsystem, a solar energy heat supplying and heating subsystem, a phase-change heating storing, heat supplying and heating subsystem,a solar energy temperature and humidity independent control air conditioner subsystem and a phase-change heat storing temperature and humidity independent control air conditioner subsystem can be formed by the modules through different port switching of four-way valves and three-way valves, and then the functions of heat storing in all year round, heat supplying and heating in winter and temperature and humidity independent control in summer are achieved. According to the system, the total functions are complete, control is flexible, adjusting is convenient, and the building energy saving effect is good.

The invention discloses a high-enthalpy wind bathing device which comprises a high-air-enthalpy subsystem, a cooling dehumidification oxygenation subsystem and an air flue switching device. The high-air-enthalpy subsystem is used for carrying out temperature rising and humidification on air in a toilet, absorbing air at the high position in the toilet and discharging air at the low position in the toilet, or absorbing air at the low position in the toilet and discharging air at the high position in the toilet, and forming vertical warm and wet airflow surrounding a bather so as to achieve the effects of rising temperature and humidity at the bottom of the toilet and improving homogeneity of a temperature field and a humidity field in the toilet. The cooling dehumidification oxygenation subsystem is characterized in that low-temperature tap water flows through tubes of a finned tube heat exchanger, heat exchange is carried out on the water and the toilet high-temperature high-humidity air which is pressed in the toilet by a centrifugal fan and flows through fins of the finned tube heat exchanger so as to achieve cooling and dehumidification, the temperature of air is reduced, partial pressure of water vapor is reduced, air outside the toilet is attracted into the toilet for supplement, therefore, air density in the toilet is increased, partition pressure of oxygen is increased, oxygenation is achieved, and therefore the phenomenon of dizziness, caused by oxygen deficits, of the bather can be effectively prevented.

The invention relates to an energy-saving control method for a floor radiant heating system comprising a variable-frequency heat-pump water heater. The energy-saving control method is characterized by comprising steps as follows: a functional expression of a water supply calculating temperature Tgj of a floor and an outdoor environment temperature Tw is established by a control system through calculation according to performance of the variable-frequency heat-pump water heater and heat load characteristics of a heating room; a functional expression of a room calculating air temperature Tnj based on a thermal comfort degree of a human body and the outdoor environment temperature Tw is established by the control system; a rotating speed of a compressor of the variable-frequency heat-pump water heater is adjusted by the control system according to the difference value of a water supply actual temperature Tgs and the water supply calculating temperature Tgj, and the water supply actual calculating temperature Tgs and the water supply calculating temperature Tgj are enabled to be consistent; the opening degree of a tee proportion regulating valve is adjusted by the control system according to the difference value of a room actual air temperature Tns and a room calculating air temperature Tnj, and the room actual air temperature Tns and the room calculating air temperature Tnj are enabled to be consistent. The energy-saving control method has the advantages that the energy efficiency of the heat-pump water heater is higher, energy-saving operation is realized, the comfort degree of the human body is better and the like.

A ceiling-mounted air-conditioner indoor-unit system. An indoor-unit (10) is disposed inside a ceiling (20). The system further comprises: a return air inlet (30), disposed on a side surface of the ceiling (20); and a wind outlet (40), disposed on a bottom surface of the ceiling (20). A closeable return air inlet apparatus (31) is disposed at the return air inlet (30), and a closeable wind outlet apparatus (41) is disposed at the wind outlet (40).

The invention discloses a control method and device of an air conditioner, a storage medium and the air conditioner. The control method comprises the following steps that environmental parameters of the environment to which the air conditioner belongs and physiological parameters of a user in the environment are acquired; the metabolic rate of the user and the PMV value of the air conditioner in the current state are at least determined according to the environmental parameter and the physiological parameter; a human comfort state is evaluated according to the metabolic rate, and a human comfort evaluation level is determined; and the air conditioner is controlled according to the human body comfort evaluation level and / or the PMV value. The scheme can solve the problem of low control precision in PMV control of air conditioner based on metabolic rate determined by estimation values under different activity states of human body in the prior art, and achieve the effect of improving control precision.

The invention provides an automobile air conditioner system and a control device and method of the automobile air conditioner system. The system comprises a compressor, a vehicle exterior condenser, a first restricting element, a three-way valve, a first two-way valve, a second two-way valve, a vehicle interior condenser and a vehicle interior evaporator. An outlet of the compressor is connected with an inlet of the three-way valve. A first outlet of the three-way valve, the vehicle exterior condenser and the first two-way valve are connected through a first three-way pipe. An inlet of the compressor, the vehicle interior evaporator and the first two-way valve are connected through a second three-way pipe. A second outlet of the three-way valve is connected with the vehicle interior condenser. The first restricting element, the vehicle interior condenser and the second two-way valve are connected through a third three-way pipe. The first restricting element is connected with the vehicle exterior condenser. The second two-way valve is connected with the vehicle interior evaporator. According to the scheme, refrigeration, heating, dehumidification, defrosting and other modes are achieved through switching between the three-way valve and the two-way valve, two heat exchangers in a vehicle are independently used in refrigeration and heating modes, only one restricting element is used, and the element utilization rate is high.

The invention relates to an ANSYS software-based impinging jet ventilation system optimization method. The method comprises the steps of performing six major processes of data collection, data processing, geometric modeling, mesh division, numerical calculation and result analysis; according to collected data, building a three-dimensional model of an office using an impinging jet ventilation system in ICEM software; performing mesh division and boundary condition definition on the model; and importing the model to FLUENT software for calculation to obtain indoor flow velocity fields and temperature fields under different parameters. According to the method, the defects of multiple technical modes in the technical field of existing ventilation systems are overcome; possible working ranges of researched parameters are determined to ensure good heat comfort; and reference data of system optimization is provided, thereby facilitating the development and application of the impinging jet ventilation system.

The invention discloses a multifunctional thermoelectric air conditioner fan which comprises an air conditioner fan component and a vertical rod component. The air conditioner fan component comprises a power component and a blade unit, and the power component comprises a power device and a rectifying circuit which are installed inside a cover; a heat conduction metal plate is installed on the front portion of the cover, a thermoelectricity module used for controlling the temperature of the heat conduction metal plate is arranged behind the heat conduction metal plate, one end of the thermoelectricity module is connected with the heat conduction metal plate, and the other end of the thermoelectricity module is connected with heat dissipation fins; the blade unit is arranged in front of the heat conduction metal plate and connected with the power device, and gratings is arranged outside the blade unit; the rectifying circuit provides direct currents for the thermoelectricity module and the power device; the vertical rod component comprises a vertical rod and a base, the vertical rod is connected with the cover, and switch buttons are arranged on the vertical rod; the base is arranged at the bottom end of the vertical rod. According to the air conditioner fan, a traditional fan is combined with the thermoelectricity module, refrigeration and heating can be achieved, the requirements in different seasons are satisfied, the indoor comfort is improved, the structure is simple, and no pollutants are generated.

The invention relates to the technical field of functional fabrics, and particularly provides a heat preservation fabric based on graphene and a preparation method of same. The heat preservation fabric includes a glue coating layer coating an inner layer and / or an outer layer of a base cloth layer, thickness of the glue coating layer being 10-20 [mu]m. An EVA glue film is attached to the glue coating layer. The glue coating layer includes, by weight, 20-45 parts of high-molecular resin glue, 0.1-3 parts of rutile titanium dioxide, 2-8 parts of glass microbeads, 0.2-1.5 parts of graphene, and 0.2-1 part of polycrystalline silicon. The glue coating layer is rich in rutile titanium dioxide, so that light can be effectively reflected and temperature increasing is avoided due to the light beam. Especially, infrared light is reflected, thus reducing heating effect. Meanwhile, the glass microbeads have hollow structure, so that heat conductivity is effectively reduced. The graphene itself has excellent heat-dissipating performance, so that the fabric is a high-effective, environment-friendly and energy-saving heat-supply material at a low environment temperature.

The invention discloses a high-enthalpy bath ventilation system which comprises a high air enthalpy subsystem, a cooling dehumidification aeration subsystem and an air channel switching device. The high air enthalpy subsystem is used for heating and humidifying air in a bathroom, sucking the air from a high position of the bathroom and discharging the air from a low position of the bathroom, and can also suck the air from the low position of the bathroom and discharge the air from the high position of the bathroom, and therefore warm and wet vertical air flow surrounding a person taking a bath is formed, and the effects that the temperature and the humidity at the bottom of the bathroom are increased, and the uniformity of a temperature field and the uniformity of a humidity field in the bathroom are improved are achieved. According to the cooling dehumidification aeration subsystem, heat is exchanged between low-temperature running water flowing through a pipeline of a tube-fin type heat exchanger, and bathroom high-temperature high-humidity air which is pressed by a centrifugal fan and flows through fins of the tube-fin type heat exchanger, and therefore the purposes of cooling and dehumidification are achieved; and the temperature of the air in the bathroom is lowered, the pressure of water vapor is lowered, and air outside the bathroom is sucked into the bathroom in a supplementary mode so that the air density in the bathroom is increased, the pressure of oxygen is increased, namely the purpose of oxygen feeding is achieved, and therefore the phenomenon that the person taking the bath feels dizzy due to lack of oxygen can be effectively prevented.

The invention relates to a method for measuring heat resistance and moisture resistance of a hat. The method comprises the following steps of: removing the influence of an air layer outside a dummy head by using strong surround wind; measuring the moisture resistance of simulative skin; measuring the moisture resistance of the air layer outside the dummy head under a windless condition; and finally, realizing synchronous measurement on the heat resistance and the moisture resistance of the hat under a normal condition. According to the method for measuring the heat resistance and the moisture resistance of the hat, heating power and sweat rate of the dummy head can be accurately measured, and moreover, the one-step synchronous measurement can be realized on the heat resistance and the moisture resistance of the hat on the sweaty dummy head.

The invention relates to the technical field of heat ventilation and air conditioning and provides an air conditioning method and air conditioning device through large-flow mixed air supply. The air conditioning method comprises the following steps that airflow which is blown out from the air supply port of an air conditioning unit forms unit supply air, airflow outside the air supply area of the air conditioning unit forms return air, and a mixed air fan sucks in the unit supply air and the return air through a mixed air fan air inlet and blows out the mixed air through a mixed air fan air outlet. The air conditioning method and the air conditioning device through large-flow mixed air supply have the technical effects that the thermal comfort of human bodies can be enabled to be greater by adding the mixed air fan and properly improving air supply flow and air supply speed; and under different working conditions, by adjusting the mixing ratio of the supply air to the return air, the energy saving effect is better during operation, the application under the working conditions of higher air supply temperature becomes possible, the outdoor fresh air can be effectively introduced into a room, and an inlet, an outlet and flow passage for indoor and outdoor airflow interaction are formed.

The invention is a method of cooling air in a vehicle using a cold storage unit (60) in the refrigeration cycle. The air conditioning system and its cold storage unit is adapted to work according to the operation of the vehicle. The method produces cold in excess to be stored in the cold storage unit (60), using the phase change heating of materials, in at least an operation mode of the system. This cold in excess allows to cool the supply air to the comfort volume, in at least one other operation mode. These charge / discharge of the cold storage unit (60) and the refrigeration cycle associated could correspond to a minimization of consumption criteria of the vehicle, for example, a regenerative braking period and a traction / coasting period, or alternatively, according to the optimization of the variable condenser capacity of the refrigeration cycle.

The invention discloses a solution cavity climate building air conditioning method and a solution cavity climate building air conditioning device. A house building is built above a solution cavity, air in the solution cavity is firstly introduced into an air static pressure chamber, then, the air in the air static pressure chamber is supplied into air conditioner using rooms in the house building through an air supply well, the replaced air is sucked out from the air conditioner using rooms through an outer wall exhaust passage via a heating air box, and in addition, the sucked air is exhausted into atmosphere through an exhaust opening, so the goal of conditioning the air in the building through the solution cavity climate is realized. The air pressure difference between internal and external of the solution cavity is utilized, under the condition without using energy sources, the air in the solution cavity is conveyed into the air static pressure chamber and is then supplied into the air conditioner using room through the air supply well, the goal of introducing solution cavity air with good heat comfort and high air quality is realized, and the air in the room is exhausted out of the chamber after replacement. The air exchange can be realized without using energy sources, so the energy sources can be effectively saved, and the environment is protected.

The invention discloses a human body cold and hot comfort degree perception method and system and an air conditioner control method. The system comprises information acquisition equipment, a human body posture judgment module, a quilt covering condition determination module and a human body cold and hot comfort degree determination module, wherein video information during sleeping of a human body is acquired, the human body posture is judged according to the video information, the human body cold and hot comfort degree is determined through the human body cold and hot comfort degree determination model according to the determined quilt covering condition, the human body posture and the quilt covering condition, the determined human body cold and hot comfort degree is sent to a controller, and the controller controls an air conditioner according to the human body cold and hot comfort degree. The current thermal comfort state of the human body can be determined in a non-contact mode, then an instruction is output to control equipment such as an indoor air conditioner, and therefore the purposes of adjustment according to needs, energy saving and comfort are achieved.

The invention relates to the technical field of heating supply and discloses a conduction oil roof radiation heating system with a fresh air preheating function. The conduction oil roof radiation heating system comprises a conduction oil furnace, an oil pump, a plurality of conduction oil radiation plates, a plurality of control valves and conduction oil pipelines. The oil pump is installed on the conduction oil furnace. The multiple control valves are distributed on the conduction oil pipelines. The conduction oil pipelines penetrate through the multiple conduction oil radiation plates and the conduction oil furnace to form a loop. The conduction oil roof radiation heating system further comprises a fresh air preheating system which comprises a plurality of flat air ducts, air pipes and a positive-pressure fan. According to the heating system, the high-temperature characteristics of conduction oil are sufficiently utilized, and the defect that hot water radiation plates are installed at a high altitude in a high plant is overcome; and meanwhile, fresh air is preheated through the temperature of the conduction oil radiation plates, loads of cold air infiltration to heating can be effectively relieved during heating, and the conduction oil roof radiation heating system is economical and capable of saving energy.

The invention discloses a solid wall radiation convection air conditioner capable of using an air film for heat exchange. The air conditioner comprises a flow deflector, an air inlet cylinder and a radiation plate; the section of the flow deflector is a parabola-shaped columnar body, an arc flow guide face is arranged at one end of the flow deflector, a Coanda curve face is arranged at the other end of the flow deflector, an air inlet is formed in one end of the air inlet cylinder, an air outlet is formed in the other end of the air inlet cylinder, the air inlet cylinder is arranged at one endof the arc flow guide face of the flow deflector, through the air outlet, the arc flow guide face of the flow deflector is contained in an inner cavity of the air inlet cylinder, and a strip-shaped air outlet is formed between the air outlet and the flow deflector; the radiation plate is arranged at one end of the Coanda curve face of the flow deflector. The air conditioner has the beneficial effects that the no strong blowing feeling exists, and the hot comfort is good.

The invention relates to a climate control device (15) for influencing at least one climate parameter of a handle (5) of a steering device (2). The climate control device (15) comprises an air moving device (21) and a handle distributer (26), wherein the air moving device (21) is used for providing air flow, and the handle distributer (26) is used for distributing the air flow towards at least one part of the handle (5). Furthermore, the air moving device (21) and the handle distributer (26) can be or are mounted in a static area which keeps static relative to adjusting movement of the steering device (2). The handle distributer (26) is provided with at least one air vent (35 and 35') so as to generate the air flow distributed from the handle distributer (26) in the static area towards the handle (5).

The invention discloses a public space thermal environment air conditioning system control method, system and device and a medium. The method comprises the steps that all clients in a public space are adopted to form an intelligent group; thermal comfort feedback information collected by the clients is obtained, a thermal comfort interval satisfying a user is constructed, a current temperature set value is obtained, and a current temperature control instruction is generated and sent to an air conditioning system; if the current temperature is matched with the thermal comfort interval satisfying the user, the current temperature set value is updated so that the current temperature set value can be close to the current temperature outside the public space, and an updated current temperature control instruction is generated and sent to the air conditioning system; and collected relative humidity in the public space is compared with a preset humidity value, and a dehumidification mode control instruction is generated and sent to the air conditioning system. The temperature set value of an air conditioner is adjusted directly based on human body cold / hot feeling feedback by utilizing the inherent group intelligence attribute of a crowd, spontaneous optimization of the group comfort is achieved, and energy conservation is taken into account.

The invention relates to a cold radiation air conditioner fresh air control method and system. The method includes the following steps that indoor real-time carbon dioxide concentration and relative humidity are acquired; the acquired indoor real-time carbon dioxide concentration and relative humidity, and a preset indoor carbon dioxide concentration initial value and a preset indoor relative humidity initial value are subjected to comparing operation, so that an operation result can be obtained; according to the operation result, a fresh air sub-system of a cold radiation air conditioner is controlled to be started or closed. According to the cold radiation air conditioner fresh air control method and system, by monitoring the indoor carbon dioxide concentration and relative humidity in real time, comparing operation is performed according to real-time monitored information and preset information to judge the indoor comfort degree so that conveying of indoor fresh air can be subjected to feedback control, and the indoor air quality and the heat comfort are made best; and meanwhile the energy of the fresh air sub-system of the cold radiation air conditioner can be effectively saved, and energy consumption is reduced.

The invention discloses an energy-saving radiant cooling and heating heat pump system. The system comprises a cold and heat source component and a circulating water system, wherein the circulating water system comprises a water tank, the cold and the heat source component comprise a refrigerant-water heat exchanger, the refrigerant-water heat exchanger exchanges heat with the water tank, the watertank is connected with a ground buried pipe and a wall surface buried pipe, and the ground buried pipe and the wall surface buried pipe are connected through a switchable series-connection or parallel-connection pipeline; and series-parallel connection switching of the ground buried pipe and the wall surface buried pipe is achieved according to the switching temperature set by the system controller, meanwhile, the heat supply amount or the cold supply amount of the refrigerant-water heat exchanger is adjusted according to the outdoor environment temperature, energy conservation and environment protection are achieved, and meanwhile the comfort of people in an air-conditioned room is improved.

The invention provides a phase-change interior wall paint composite material, which comprises emulsion paint and microcapsules, and the weight percentage of the microcapsules is 5%-30% on the basis that the total weight of the interior wall paint composite material is 100%. According to the phase-change interior wall paint composite material provided by the invention, the emulsion paint and the microcapsules are compounded for use, and the emulsion paint is used as a paint surface coating and also used as a binder for fixing the microcapsules to form an interior wall surface coating. The invention discloses a phase-change interior wall paint composite material. When the temperature of the microcapsule reaches the phase change temperature, a phase change process is generated in the capsule,and the phase change material converts external heat into self latent heat or releases the self latent heat into an external environment, so that the system is kept in a constant-temperature state, therefore, indoor temperature fluctuation can be reduced, the indoor temperature can be kept comfortable in summer and summer, the indoor temperature can be kept at a good thermal comfort degree, and energy conservation is facilitated.