136results about How to "Maintain room temperature" patented technology

The invention provides an intelligent control method, device and system. A plurality of sensors are arranged indoors and outdoors to be used for collecting indoor environment information, human body status information and outdoor environment information, and multisource information constituted by the information collected by different types of the sensors is input a pre-established preset neural network model. Because data input into the preset neural network model come from an indoor space and an outdoor space and are used for environment measurement and human body status measurement, measurement of the ambient environment information and the human body status information can be achieved in a diversification mode through the sensors. The multisource information of the sensors can be fused, the ambient environment of an air conditioner and human body status can be accurately measured, running status includes the human body comfort degree, an air conditioning system is controlled according to the human body comfort degree, and therefore people-oriented control over the air conditioner is achieved, and it is guaranteed that indoor temperature, humidity and wind force are always kept under the state which is optimally suitable for human body dwelling.

This invention relates to one air conditioning control device which comprises the following parts: micro processor, indoor temperature sensor, moisture sensor, outdoor start circuit, outdoor temperature data collection device, outdoor supply power occupancy controller and memory heat PMV and temperature and moisture degree relative sequence and relative memory module; the micro processor comprises current temperature control module, indoor environment data read module, heat PMW compute module, supply stop circle set module, circle set time module, outdoor supply occupancy compute module.

Disclosed are an indoor information sensing controller and an operation method of the indoor information sensing controller. The sensing controller comprises an information detection part (100), an information processing part (200) and an information transmission part (300), wherein the information detection part (100) is used for detecting at least one piece of indoor environment information and outputting the indoor environment information to the information processing part (200), the environment information comprises temperature, luminosity and human body existing information; the information processing part (200) is used for processing at least one piece of environment information from the information detection part (100), analyzing that whether changes exist in the at least one environment information or not, and sending control instructions towards an external system controller when the indoor environment needs changing; and the information transmission part (300) is used for sending the control instructions from the information processing part (200) to a system controller. The indoor information sensing controller can detect the human existing information in at least one indoor region in a distributed-type mode, and meanwhile detect the indoor temperature and the indoor luminosity information, and achieve comprehensive intelligent control over the indoor environment and energy-saving and environment-friendly purposes.

The invention relates to the technical field of ventilating systems and discloses a total heat exchanger and a control device and method thereof in order to solve the problem that an existing total heat exchanger cannot give consideration to all the changes of spring, summer, autumn and winter (including severe cold weather). The total heat exchanger comprises a box body. The box body is provided with an outdoor air inlet, an indoor air supply outlet, an indoor return air inlet and an outdoor air outlet. A heat exchange core body, an air supply fan and an exhaust fan are arranged in the box body. The box body is further internally provided with a first heat exchange air channel, a second heat exchange air channel, a bypass air channel and an internal circulation air channel. The total heat exchanger can conduct switching among a heat exchange mode, a bypass mode and an internal circulation mode. The total heat exchanger is used for an indoor ventilation system.

The invention relates to a smoke insulation and heat insulation fresh air system capable of realizing a kitchen air conditioner environment. The smoke insulation and heat insulation fresh air system comprises an oven tool arranged on a hearth and a range hood arranged right above the hearth, wherein a flow guiding cover is arranged below the range hood, the oven tool is provided with an air curtain generator, and the air curtain generator comprises a frame type shell sleeved on the periphery of the oven tool; one side of the frame type shell is connected with an air inlet pipe which is communicated with the frame type shell, an air inlet of the water inlet pipe is provided with an air inlet machine and is communicated with exterior, and a gas channel is formed at an inner cavity of the frame type shell; and an upper panel of the frame type shell is provided with a flow guiding groove, the two sides of the flow guiding groove are provided with positioning side plates which are inwards inclined and are connected with the upper panel, and the flow guiding groove is internally provided with an ejector. The smoke insulation and heat insulation fresh air system provided by the invention realizes the insulation of indoor air in a kitchen and oil pumping smoke in the hearth, heat exchange and oil smoke diffusion caused by gas convection are avoided, a relatively sealed outer circulating system is formed between a gas oven tool and oil pumping smoke equipment, waste gas and oil smoke are discharged, and accessible insulation is realized, ventilation and oil smoke problems are completely solved, and the realization of the air-conditioned kitchen becomes possible.

The invention discloses a load smooth control method based on a demand side resource unified state model. Firstly the demand side resource unified state model is established, and then load curve smooth control is realized based on the model. The response characteristics of different types of demand side resources can be described by using a unified mathematical expression by the unified state model; a control matrix is derived to realize real-time management and control of the demand side resource output power on the basis of considering the response order of the demand side resources; fully consumption and absorption of renewable energy sources can be realized by a control strategy on the basis of considering the energy using comfort level of the user so that the SOC before traveling of the electric automobile is ensured to meet the user requirements, and the indoor temperature in which the temperature control load is located is ensured to meet the comfort requirements of the user; and power fluctuation of the load can be obviously reduced by the control, and the power fluctuation rate can be maintained to be below 10% of the preset value.

The invention discloses an intelligent indoor air replacement and purifying device and method and belongs to the field of indoor and outdoor fresh air purifying devices. The indoor air replacement and purifying device is internally provided with a plurality of filters comprising the heating carbonization ceramic filter, the bilateral rotation draught fan and the conical ceramic filter; the heating carbonization ceramic filter and the conical ceramic filter are spongy micropore ceramic filters; the upper portion of the heating carbonization ceramic filter inclines towards the outer side; the periphery of the intelligent indoor air replacement and purifying device is provided with an automatic sample connection communicating with the interior of a room; the automatic sample connection is provided with a gas detector; the intelligent indoor air replacement and purifying device is internally provided with an electric current detector and further configured with an intelligent controller; the acquisition cost of an air purifying device, the consumable investment and the installation and maintenance cost can be reduced through the intelligent indoor air replacement and purifying device; the air purifying effect of the intelligent indoor air replacement and purifying device is improved; the device manufacturing cost is reduced; and intelligent operation of the air purifying device is achieved.

The invention provides a pressure-free cylindrical radiator horizontal electric heater which has no need of a water pump and allows the gravity difference of the supply water and the return water under different temperatures to form the pressure to promote the water circulation by an upper electric heating pipe and a lower electric heating pipe, so as to solve the technical problems of the prior heating technology, such as high equipment cost, high operating cost and so on. The electric heater comprises: a cylindrical radiator, an electric heating device which is positioned at the inner right lower angle of the radiator, a heat enhancing electric heating pipe which is positioned at the inner right upper angle of the radiator, a water tank which is positioned at the outer left upper angle of the radiator, and an air outlet which is positioned at the highest position of the water level of the inner left upper angle and directly communicates with a water adding port of the water tank. The electric heating pipe and the heat enhancing electric heating pipe of the electric heating device carry out the common heating for 30 minutes, and the temperature of the upper part of the radiator is 80 DEG C. The electric heater changes the heat supply mode of heating by a boiler, transferring the heat by pipelines and radiating the heat by the radiator, which has been lasted over hundreds of years. The electric heater can achieve environmental protection, energy conservation, water conservation and realize energy conservation and emission reduction.

The invention discloses an energy-saving and environmentally friendly composite floor and a manufacturing method of the energy-saving and environmentally friendly composite floor. The purpose is to provide the energy-saving and environmentally friendly composite floor which is cheap, convenient to manufacture, few in consumed raw wood, beautiful in appearance, good in quality and high in production efficiency. The energy-saving and environmentally friendly composite floor comprises a panel and a bottom plate, wherein the panel and the bottom plate are made of wood veneers and arranged on the upper surface and the lower surface of the floor respectively. A core plate is arranged between the panel and the bottom plate in a sandwiched mode. The composite floor is characterized in that the core plate is made of polyurethane foaming materials. Tongue-and-grooves or tenons are formed in the side faces around the floor and spliced mutually. The composite floor can effectively block water and moisture and has a moisture-proof effect and effects of heat preservation and heat insulation, when an air conditioner is turned on in summer or in winter, indoor temperature can be effectively kept, heat exchanging is reduced, and energy is saved. Particularly, woods are greatly saved, and the composite floor plays an obvious role in protecting forest resources and the ecological environment. The possibility that formaldehyde is contained in adhesive, and therefore the health is harmed is also avoided. The composite floor is a novel floor which is really green, safe and environmentally friendly and saves the energy.

The invention relates to a production method of environment-friendly wallpaper. The production method comprises the following steps: A, unreeling a wallpaper base material, coating a bamboo charcoal fiber and an environment-friendly binding agent, performing hot air seasoning, and then cooling; B, coating an environment-friendly flame-retardant coating, performing hot air seasoning, and then cooling; C, feeding into a printing device, printing color and patterns, performing hot air seasoning, and then cooling; and D, heating so as to soften the wallpaper, embossing, and then cooling; and E, coating silica gel, performing hot air seasoning, and then cooling, thereby obtaining the environment-friendly wallpaper. Compared with the prior art, the method is simple to operate and low in cost; the environmental friendliness and no pollution of the produced wallpaper are utilized; by virtue of fully utilizing the breathability, heat insulation and sound insulation effects of silica gel, sound pollution can be insulated, and indoor temperature can be preserved; by virtue of fully utilizing the characteristics such as moisture absorption, breathability, anti-bacteria and anti-microbial properties, warm property in winter and cool property in summer, environmental friendliness and humidity control capability of the bamboo charcoal fiber, harmful materials are prevented from damaging human health and also can be recycled, and resources are saved.

The invention discloses a control method of a bidirectional automatic door. The method adopts the steps as follows that the closing state of the automatic door is the closing position; the left rotation position is the left opening position; the right rotation position is the right opening position; when electrified, the closing position, the left opening position and the right opening position are checked firstly; the closing position is used as the starting position to record the angle or work distance when the automatic door rotates to the left opening position and the right opening position; the rotary speed of the automatic door is divided into the fast work speed in the initial period of the rotation and the slow work speed when the door is close to the left opening position or the right opening position. The control method of the bidirectional door has the advantages of realizing the bidirectional opening and closing of the door, well maintaining the indoor temperature, sensingthe approaching people direction automatically, having no difficulty in passing in and out, having the clamp proof function and avoiding the clamp injury accidents, realizing the ultra-silence stablerotation, realizing the conversion between the normal application and the special application, simple structure and convenient mounting.

A method for controlling an intake of an air-conditioner of a vehicle is disclosed. The method includes the a-1) step (S1) at which the main door (220) of the intake (200) opens the outdoor-air inlet port (211) and closes the indoor-air inlet port (212), so that only outdoor air flows into the intake, the b-1) step (S2) of detecting operation of the blower (130), the c-1) step (S3) of determining whether set indoor temperature of the vehicle is predetermined temperature or higher, and the d-1) step (S4) at which the subsidiary door (230) opens the subsidiary indoor-air inlet port (213) so that some indoor air flows into the intake. The method automatically controls the intake of the air-conditioner, thus allowing some indoor air to flow into the intake while outdoor air is flowing into the intake, therefore keeping the indoor temperature of the vehicle pleasant, and enhancing heating efficiency.

The invention discloses a passive solar radiant heating system and belongs to the technical field of solar application. The system comprises a solar heat collecting system, heat pipes and a heat accumulation wall body, wherein the solar heat collecting system comprises a transparent cover plate, a heat insulation material, a heat accumulation material and a heat absorption coating, the heat insulation material is arranged at the periphery of the heat accumulation material, the transparent cover plate is arranged at the front part of the heat accumulation material, and the heat absorption coating is coated between the transparent cover plate and the heat accumulation material. The heat accumulation wall body comprises a heat insulation material, a heat accumulation material and a building wall body, the heat insulation material is arranged on the surface of the heat accumulation material, the heat accumulation material is arranged in a way of tightly pasting the outer side of the building wall body, and the heat pipes are used for connecting the solar heat collecting system with the heat accumulation wall body, wherein the heat pipes are used as heat transfer carriers, and the heat in the solar heat collecting system is transferred into the heat accumulation wall body for realizing the heat supply heating of a room. The system disclosed by the invention can realize the heating heat supply of a building without any energy source consumption.

A die-bonding film contains a glycidyl-group-containing acrylic copolymer (a) having a weight-average molecular weight of 500,000 or more and a phenolic resin (b), wherein the weight ratio (x / y) of the content x of the glycidyl-group-containing acrylic copolymer (a) to the content y of the phenolic resin (b) is 5 or more and 30 or less, and the die-bonding film substantially does not contain an epoxy resin having a weight-average molecular weight of 5000 or less. Thus, a die-bonding film having a high reliability is provided by which a sufficient adhering strength and an elastic modulus at a high temperature can be obtained before and after curing; the workability is good; air bubbles (voids) do not stay at the boundary between the die-bonding film and the adherend; and the die-bonding film can withstand a humidity resistance solder reflow test.

The invention discloses a light-transmission rain-proof type shutter window which comprises a window frame and a plurality of rotating shutters, wherein each rotating shutter is rotationally connectedwith an inner wall of a window frame through rotating shafts fixed at two ends of the rotating shutter; a control cavity and a heating cavity are formed inside the window frame; the bottom of the control cavity is rotationally connected with a worm rod through a bearing; one end, near the control cavity, of each rotating shutter penetrates through the inner wall of the window frame to extend intothe control cavity and is provided with a worm wheel in a welding way; a plurality of worm wheels are engaged with the worm rod; and rotating metal is welded at the upper end of the worm rod. The light-transmission rain-proof type shutter window has the advantages that in the temperature rise process in the heating cavity, methylene dichloride in an air bag is heated and evaporated so that the air bag is expanded; a water inlet hole is gradually blocked, so that external rainwater continuously enters the inside the heating cavity; the heat waste caused by dissolution of excessive sodium hydroxide by excessive rainwater can be avoided on the premise of maintaining the temperature inside the heating cavity; and the functionality of long-time effectiveness of sodium hydroxide particles can be maintained.

The invention discloses a low-energy-consumption multi-area refined variable-air-volume air conditioning system and a control method thereof. The system comprises a first air supply duct, a second airsupply duct, a return air duct and a plurality of areas, wherein the first air supply duct is connected with one ends of the plurality of areas through a first air supply branch pipe, the second airsupply duct is connected with one ends of the plurality of areas through a second air supply branch pipe, and the other ends of the plurality of areas are connected with the return air duct, one end,far away from the plurality of areas, of the first air supply duct is sequentially provided with an independent ventilation unit, a first surface cooler, a first filter and a first ventilation valve,the first surface cooler is connected with a first electric valve, the first electric valve is connected with one end, far away from the independent ventilation unit, of the first air supply duct through a first controller, the independent ventilation unit is connected with a first frequency converter, and the first frequency converter is connected with one end, far away from the independent ventilation unit, of the first air supply duct through a second controller. The low-energy-consumption multi-area refined variable-air-volume air conditioning system and the control method thereof have theadvantages of being accurate in control, convenient to use and good in effect.

The invention discloses a preparation method of phase-change ink, belonging to the technical field of ink preparation. The preparation method comprises the steps of preparing phase-change microcapsules, preparing the phase-change ink and the like. The phase-change microcapsule ink prepared by using the method is a new material which takes a high-molecular polymer as a shell and contains a phase-change material inside; the phase-change ink has excellent phase-change latent heat, and the temperature control effect of a microcapsule can be brought into full play; and the phase-change ink can release or absorb heat in a surrounding environment to achieve the effects of recycling energy and saving energy of a product, so the function of the ink is broadened, and the ink can play more roles in various fields.

The invention relates to the technical field of air conditioners, and discloses a control method for an air conditioner. The control method comprises the following steps: detecting an indoor temperature in a refrigeration mode; switching to an air supply mode under the condition that the indoor temperature is within a preset range; and switching to the air supply mode when the indoor temperature is out of the preset range and the frequency of receiving air supply instructions meets the preset condition. According to the method, the indoor temperature suitable for users can be selected before the air conditioner executes the air supply mode, so that the requirements of different users are met, and the comfort level of the users is improved. The invention further discloses a control device for the air conditioner and the air conditioner.

The invention relates to a dust removal and windproof moving window comprising a window frame and a window body. Sliding rails and sliding slots which are matched are arranged on the upper and lower border surfaces of the window frame and the window body, and the window body can transversely move in a reciprocated manner under matching of the sliding rails and the sliding slots; the sliding slotsof the upper and lower border surfaces of the window frame are provided with support plates parallel to the bottom surfaces of the sliding slots, and the edges of the support plates are connected withthe groove edges of the sliding slots through flexible sealing layers; the sealing layers, the support plates and the sliding slots form an airtight closed cavity; an adjustment cavity is arranged inthe window frame, the adjustment cavity comprises a piston plate capable of transversely moving in a reciprocated manner along the inner wall of the adjustment cavity, and a control panel of the piston plate extends out from the window frame; the adjustment cavity is in communication with the closed cavity through a flow guiding tube; and the adjustment cavity and the closed cavity are filled with adjusting liquid. The dust removal and windproof moving window is novel in structure and unique in principle, dust at the sliding rails of the window can be conveniently removed, meanwhile, rainwater infiltration and strong wind blowing can be effectively avoided, and the sealing performance and heat preservation of the window are ensured.

The invention discloses a greenhouse with sunny and shaded surfaces. The greenhouse with sunny and shaded surfaces comprises insulating layers, a front wall, a back wall, a daylighting roof, an earthen wall, a planting bed, a front shed ridge, a back shed, a back shed ridge, an air vent, roller shutters and motors. The greenhouse is in the east-west direction. The front portion of the front wall and the back portion of the back wall are the insulating layers. The daylighting roof is arranged between the top of the front wall and the top of the earthen wall as high as 3-4 meters. The step-shaped planting bed is arranged on the surface facing the shaded surface, the inner side elevation angle formed between the top of the earthen wall and the roof in the shed is 63-67 degrees, a bottom corner in the greenhouse is at 80-90 degrees, and the bottom as deep as 40-60 cm is level to the ground level. The daylighting roof and the back shed are composed of inner layers of steel tubes and outer layers of steel tubes covering ethylene vinyl acetate (EVA) long-life fog-dispersal dripping films respectively. The front shed ridge is as high as 6-7 meters, the back shed is arranged between the top of the earthen wall and the top of the back wall, the back shed ridge is as high as 5-6 meters, the distance between the front wall and the earthen wall is 13-17 meters, and the distance between the earthen wall and the back wall is 8-12 meters. The greenhouse with sunny and shaded surfaces improves the land utilization rate.

A device and method for allowing the custom mixing of liquid and dry enhancers with pet food kibbles comprising a tumbler into which the kibbles are placed; a means for adding a pre-determined amount of liquid / dry enhancers to the kibbles; a means for mixing the enhancers with the kibbles; and a means for feeding the enhanced kibbles into packages.

The invention relates to an animal house with power energy consumption, ventilation and good lighting. The animal house comprises manure pits (1), pig beds (2), side walls (4), a ceiling (6) and skylights (7), wherein the side walls (4) are arranged on outer sides above the manure pits (1), and are provided with a plurality of side windows (13); the bottom of each manure pit (1) is communicated with a mature discharge pipe (8); a mature leakage plate (3) covers above the manure pits (1); the pig beds (2) are arranged on regions where the mature leakage plate (3) not covers on the inner sides of the side walls (4); at least one food feeding groove (11) and at least one water feeding groove (12) are formed on the edge of each pig bed (2); a plurality of skylights are arranged on the ceiling (5); the ceiling (5) has a double-slope structure. The animal house has the advantages that both sides of the double-slope ceiling are provided with a plurality of skylights, thereby ensuring sufficient light rays in a room; high ventilation property is achieved; the pig bed and the manure leakage plate are arranged at a certain interval, thereby keeping the room dry and sanitary and lowering the incidence of live pigs.

The invention discloses a novel sheep house for karst regions and belongs to the technical field of livestock breeding. The novel sheep house comprises a floor, wall plates and a sheep house roof and is characterized in that the floor is of a concrete structure, the wall plates are vertically arranged on the front, the rear, the left and the right of the floor, the sheep house roof is arranged on the wall plates, a passage is arranged between the front wall plate and the rear wall plate, doors are arranged at two ends of the passage, troughs are arranged on two sides of passage and arranged on gratings, the minimum distance between the gratings and the floor is 10-20cm, a plurality of electric heating plates are arranged below the left wall plate and the right wall plate, the middles of the wall plates are provided with a plurality of windows, and exhaust fans are arranged above the windows. The novel sheep house has the advantages that when the temperature is high in summer, the room temperature of the sheep house can be lowered by turning on the exhaust fans and spraying water; when the temperature is low in winter, the indoor temperature of the sheep house can be kept by turning on the electric heating plates and closing the windows; by the oblique floor of the sheep house, sheep manure can be conveniently cleaned, and the sheep house can be kept tidy and clean.

The invention discloses a daylight greenhouse allowing edible fungus and vegetables to be planted jointly. The daylight greenhouse comprises cold-proof layers, a front wall, a rear wall, a brick wall, a lighting roof, a front greenhouse ridge, a rear greenhouse, a rear greenhouse ridge, air vents, cotton quilts and shutter rolling machines, wherein the daylight greenhouse is in an east-west trend; the cold-proof layers are located at the front part of the front wall and the rear part of the rear wall; the front wall and the rear wall are composed of a foundation layer of 10 cm in thickness and the 240 brick wall of 50 cm in height; the top parts of both the front wall and the rear wall and the top parts of the cold-proof layers are flushed with the ground plane; an arc-shaped lighting roof is arranged between the top part of the front wall and the top part of the brick wall; the brick wall is 0.3-0.4 in thickness and 3.5-4 in height; the lighting roof and the rear greenhouse are composed of steel tubes in inner and outer layers which are covered with EVA (Ethylene-Vinyl Acetate) long-life fog dispersal dripping films; the front greenhouse ridge is 4.2-4.7 m in height; the rear greenhouse is arranged between the top part of the brick wall and the top part of the rear wall; the rear greenhouse ridge is 3.8-4.2 m in height; the distance between the front wall and the brick wall is 8-12 m; the distance between the brick wall and the rear wall is 6-10 m. The daylight greenhouse allowing edible fungus and vegetables to be planted jointly improve utilization rate of land.

The invention discloses a passive type solar heat-collection and energy-saving wall system of low-storied buildings, and relates to an energy saving wall system, which solves the problems that a conventional passive type solar heat collection wall is high in wall heat transfer coefficient, large in heat loss and low in heat supply efficiency and is not beneficial to indoor heat preservation as an upper vent hole and a lower vent hole are formed in the wall when being used for indoor heat supply. The passive type solar heat-collection and energy-saving wall system comprises a glass shade, a heat collection wall, a window and a heat preservation board. The wall system further comprises a ventilation window and a heat exchange ventilation device, wherein the ventilation window is arranged on a glass surface at an upper frame of the window; the heat exchange ventilation device is arranged on the lower vent hole; the ventilation window is used for controlling the air in an air interlayer between the glass shade and the heat collection wall to flow into a room; the heat exchange ventilation device comprises a wooden frame and a heat preservation cover plate; the heat preservation cover plate is hinged with the wooden frame and covers the wooden frame; and the heat preservation cover plate is formed by two plywoods and an extruded sheet between the two plywoods. The wall system is applicable to the low-storied buildings.

The invention discloses an automatic adjustment type automobile exhaust heating device and a control method thereof. The automatic adjustment type automobile exhaust heating device comprises an engine exhaust pipe, a muffler, a heat exchanger, a water pump shell, a water pump in transmission connection with a water pump drive shaft and a temperature sensor connected with a control module, wherein a sealing cavity is arranged at the outside of the heat exchanger; two water pipe joints are arranged on the sealing cavity; the water pump shell is internally provided with the water pump drive shaft having turbine blades at the middle part; a magnetic bearing is arranged between the two ends of the water pump drive shaft and the water pump shell; the inlet of the water pump is connected with one water pipe joint through a water pipe; the outlet of the water pump is connected with a flow valve, a radiator and the other water pipe joint sequentially through the water pipe to form a loop; the flow valve is connected with an electromagnetic valve which is controlled by the control module. According to the automatic adjustment type automobile exhaust heating device, the afterheat of the high-temperature exhaust of the engine is provided to an automobile cab through the heat exchanger, the water pump, the flow valve, the radiator and the like, so that the purpose of afterheat utilization is realized. The automatic adjustment type automobile exhaust heating device is simple in structure, exact in control, convenient to operate, energy-saving and safe, and good in heating effect.

The invention discloses an intelligent building curtain wall based on new energy. The intelligent building curtain wall comprises a frame body, fixing plates are fixedly connected to the upper end and the lower end of the frame body, a rack plate is fixedly connected with an abutting block in sliding connection with the inner walls of first hollow blocks, a first folding air bag is fixedly connected between the abutting block and the inner walls of the first hollow blocks, and trigger mechanisms are arranged at the ends, opposite to each other, of the two first hollow blocks. The intelligent building curtain wall based on the new energy is reasonable in structure, when it is hot, expansion liquid expands to drive the rack plate to push a gear to rotate, then the curtain wall is driven to rotate in the direction away from the indoor space, and ventilation is carried out on the indoor space; meanwhile, a fan starts to work, the air fluidity is improved, and indoor heat dissipation is carried out; and secondly, as time accumulates, dust and impurities adhere to the curtain wall, mildew and damage of the curtain wall can be accelerated when the curtain wall is covered with the dust and impurities for a long time, the dust on the curtain wall is removed through air injection of a dust removal pipe, and the service life of the curtain wall is prolonged.

The invention relates to a multifunctional water heater. The multifunctional water heater comprises a water heater body and a heat exchanger, a cold water inlet pipe is connected with a water source and a cold water supply end, a hot water outlet pipe is connected with a hot water supply end, a fan and a heating body are arranged on the water heater body, the fan and the heating body are arrangedmutually independently or are arranged in a mutually integrated mode, air generated in the working process of the fan is heated into warm air through the heating body and then is blown out, the waterheater body is provided with a circulating water channel, wherein the circulating water channel comprises the cold water inlet pipe, the hot water outlet pipe, a cold water outlet pipe, a water mixingpipe and a hot water inlet pipe, the water mixing pipe intersects and communicates with the cold water outlet pipe and the hot water inlet pipe correspondingly, the cold water inlet pipe communicateswith the cold water outlet pipe or the water mixing pipe through a circulating water pump, the water mixing pipe, the hot water inlet pipe and the hot water outlet pipe intersect and communicate withone another, and water mixing valves are arranged at the junctions. The multifunctional water heater has the characteristics of being simple in design, reasonable in structure, multifunctional, highin practicability, reliable in performance, good in user use experience and the like.

The invention discloses an expected control method for staged temperature setting of a heating temperature control valve, which comprises the following steps: 1, calculating temperature rise time: calculating the time required for increasing the temperature from a current indoor temperature value to a temperature set value in the next time period according to temperature rise data, and using temperature control valve initial default data in the first calculation;2, determining that preconditioning is executed: calculating the remaining time from the current time to the next time period, and comparing the temperature rise time with the remaining time from the current time to the next time period; if the calculated temperature rise time is less than the remaining time, not executing an operation and re-calculating the remaining time after a certain time interval; if the calculated temperature rise time is greater than or equal to the remaining time, starting preconditioning and opening the temperature control valve; and 3, updating the temperature rise data: and after the preconditioning is carried out, monitoring the time for increasing the current indoor temperature value to the next stage temperature set value, and updating the temperature rise data.