33results about How to "To achieve the effect of saving electricity" patented technology

The invention relates to a brick making method, which uses raw materials of coal gangue, furnace clinker, shale, coal ash and clay and prepared according to the steps of (1) smashing and grinding the raw materials to be particles with the particle size below 2mm; (2) evenly mixing the particles of the raw materials, adding warm water to mix and make mud materials, and then conducting ageing treatment for more than 24 hours; (3) adopting a vacuum brick squeezing machine with the vacuum degree of -0.07MPa to -0.08MPa and molding moisture of 13.5%-14.5% to make the mud materials into green bricks, and adding a transducer on a main motor of the vacuum brick squeezing machine; (4) placing the green bricks into a drying hole to remove moisture and dry in a concentration mode; (5) adopting residual carbon of raw material gangue, furnace clinker and coal ash, and roasting by adopting a method of taking internal combustion as the principal thing and external combustion as the minor thing; and (6) cooling to obtain end products and detecting the content of calcium oxide. The brick making method is low in coal consumption and power consumption and stable in quality of made bricks.

The invention provides a reminding method of missed calls at a mobile communication terminal and a communication terminal thereof, the mobile communication terminal comprises: a mobile phone module, a display and an input device; the mobile communication terminal is characterized by also comprising: a reminding unit of the missed calls for giving audio reminding about the missed calls; a setting unit of control conditions for starting or closing missed call reminding function, for setting the reminding control conditions of the missed calls; a control condition judging unit for judging the control conditions and outputting, according to the control conditions, a control signal of starting or closing the missed call reminding function; a control unit for the missed call reminding function, for controlling starting or closing of the missed call reminding function in terms of the control signal sent by the control condition judging unit.

The invention discloses a base station power saving method, a base band unit (BBU) and a remote radio unit (RRU). The method comprises the steps of for a set section, setting the two base band units at the head and tail of the section to be in an open state; detecting movement information of a target by the BBU in the open state via the RRU connected with the BBU; when the movement information of the target indicates that the target moves to a cell in which the BBU in the open state is located from a first direction, instructing the BBU close to the BBU in the open state to open the RRU connected with the previous BBU; and when the movement information of the target indicates that the target moves away from the cell in which the BBU in the open state is located from a second direction, and the BBU in the open state is not the head / tail BBU, closing the BBU in the open state.

The invention relates to a method and a thermal field for growing ingot polycrystal silicon by adopting a directional solidification method. The method comprises the following steps of melting, crystallizing, annealing and cooling. The heat insulation cavity in the ingot polycrystal thermal field consists of a top plate, side walls and a bottom plate, wherein the top plate is fixedly positioned; the side walls and the bottom plate can move up and down; and the distance between each side wall and the bottom plate is controlled according to the requirements of different stages in a crystal growth process. The invention has the advantages that: the power consumption in the material meting process is reduced, and the effect of saving power is achieved; and the movement distance of the bottom plate and each side wall of the heat cavity is respectively controlled, the heat dissipation direction of the bottom is controlled in the polycrystal silicon ingot growth process and the growth interface of the crystal is indirectly controlled, so that the flat growth interface is favorable for obtaining high-quality crystal and improving the installing and replacing efficiency of photovoltaic cells.

The invention relates to a nuclear grade active carbon production device and especially relates to a method and a device for vacuum impregnation and vacuum predrying of nuclear grade active carbon. The method comprises the following steps of putting active carbon into a rotatablely rolling vacuum tank, carrying out atomization and spraying of an impregnation liquid introduced into the vacuum tank on the surface of active carbon rolling ceaselessly by a spraying system, after active carbon impregnation, increasing the pressure in the vacuum tank to ordinary pressure, carrying out vacuum predrying, simultaneously opening a vacuum pump and an oil electric heater, and carrying out vacuum-pumping and heating on the tank body with continuous rotation of the vacuum tank so that active carbon heating is uniform and low-temperature low-pressure evaporation is realized. The device improves a double-cone vacuum rotation tank, utilizes the spraying system to atomize an impregnation agent under pressing conditions so that the atomized impregnation agent contacts with active carbon rolling in vacuum and is fast bound to the active carbon. The device has dual uses, realizes vacuum impregnation and vacuum predrying of active carbon by one step, and has effects of time, manpower and power saving.

The invention relates to a combined fan heater and a clothes dryer. The combined fan heater comprises a fan heater body and the clothes dryer, wherein the fan heater is a cover plate of the dryer, and indoor air outlet swing blades, heating plates I, a wind wheel I and dryer air outlet swing blades are mounted in the fan heater body; the two sets of swing blades can be switched mutually, one set of the blades are used for blowing air indoors, and the other set of blades are used for blowing air to the dryer circularly; an air inlet, a wind wheel II, heating plates II, an air outlet and two side air outlets are arranged on a base of the dryer; the two side air outlets in the base of the dryer are communicated with two side air outlets of the dryer; a telescopic and rotary clothes rail is mounted on the cover plate in the dryer, and a motor of the clothes rail is mounted in the cover plate. Compared with the prior art, the clothes dryer can effectively dry clothes in the dryer by blowing in an omnibearing manner, and meanwhile, the fan heater can effectively warm the indoor space by use of hot steam produced by the dryer or circularly dry the inside of the dryer.

The invention discloses a full-automatic energy-saving clutch for a vehicle. The full-automatic energy-saving clutch comprises an outer sleeve and an inner shaft which are connected between wheels and an engine, and a plurality of rolling columns which are uniformly distributed between the outer sleeve and the inner shaft, wherein a forward inclined slope or a backward inclined slope groove for storing the rolling columns is arranged on the outer surface of the inner shaft; the backward inclined slope groove is provided with a clutch pin for controlling the rolling columns to move; an inner hole of the inner shaft is provided with a push rod with a conical surface; an electromagnetic coil I for controlling the push rod to move is arranged at one end of the push rod; the inner shaft is externally provided with a generator composed of an electromagnetic coil II and a magnet exciting coil, which is connected with the electromagnetic coil I; and the magnet exciting coil is electrically connected with a brake electric control mechanism, a backup electric control mechanism, a slope degree and inertia induction control mechanism, an engine state induction control mechanism and a wet and slippery road surface detection and control mechanism. When oil is collected on a conventional road surface, the full-automatic energy-saving clutch can slide automatically; and meanwhile, the full-automatic energy-saving clutch can be immobilized and decelerated as the common vehicle under the states of braking, backing up, traveling downhill or under a wet and slippery road surface state.

The invention provides a packaging method of a photoelectric sensing device and application, and aims at integrating the photoelectric sensing device to a display panel. The photoelectric sensing device is a device integrating a plurality of functions; a carrier board equipped with the photoelectric sensing device is connected with the display panel by a circuit connecting manner; the photoelectric sensing device can receive an environmental light signal and directly output a feedback control signal by photoelectric sensing; the photoelectric sensing device can receive and respond to a distance signal as well as timely feeding back a digital signal to as to achieve the functions of saving electricity and avoiding mis-operation. With the adoption of such packaging structure, the size of elements in electronic products can be effectively reduced, thus the whole display device can be reduced, and meanwhile, the general packaging process of a mobile phone can be effectively simplified by the novel packaging process.

The invention discloses a water cooling-assisted heat removal system, which comprises a coiled pipe air radiator (2), and is characterized in that a set of water cooling-assisted radiator (1) which takes tap water (3) as a water source is connected in series to the front part of the coiled pipe air radiator (2); the water cooling-assisted radiator (1) comprises a water tank (11) and radiating pipes (12); the water tank (11) of the water cooling-assisted radiator (1) is connected in series with a water pipe; and the radiating pipes (12) are arranged inside the water tank (11), and are connected in series between a compressor and the coiled pipe air radiator (2). According to the water cooling-assisted heat removal system, air and the tap water (3) are combined for assisting in radiating, and the startup time of a compressor and the cycle period of a refrigerant are reduced in comparison to an air heat removal way, so that the effects of increasing the heat removal efficiency and saving electric energy are achieved; when the temperature of tap water is high, the heat removal capability is attenuated without influencing the air heat removal effect, and excessive influences on the conventional design are avoided; and the water cooling-assisted heat removal system is easy to arrange and popularize.

The invention provides fully-enclosed flow-stabilized and pressure-superposed energy storage water supply equipment. According to the fully-enclosed flow-stabilized and pressure-superposed energy storage water supply equipment, the problem that a common pressure-superposed water supply product has no water storage capacity or has extremely small water storage capacity is solved, and dual functionsof water storage and energy storage are introduced into a pressure-superposed water supply system; the water contention degree of a plurality of secondary water supply stations to a municipal primarywater supply pipe network is greatly reduced, the reactive power loss of water supply is greatly eliminated, the water supply efficiency is improved, and continuous, safe and high-quality water supply for users can still be realized under the condition that the flow quantity and pressure of a municipal tap water pipe network cannot meet user requirements continuously; even under the condition that the water supply of the municipal tap water pipe network is completely cut off, the water supply still can continue for a number of minutes to a number of hours; positive pressure full enclosing ofwater storage facilities can be realized, the purposes of chlorine maintaining, self cleaning and no cleaning are achieved, and the fully-enclosed sanitary safety requirement in the Chinese water supply standard is fully met; and the blank that no secondary water supply products of other forms exists between pressure-superposed water supply and water tank (pool) water storage water supply in the secondary water supply products for many years is filled up.

The invention discloses a water storage box assembly for an embedded refrigerator. The water storage box assembly comprises a box door. The back face of the box door is fixedly connected with a storage rack. A water storage box is connected to the storage rack in a clamped manner. A water pump is arranged in the water storage box. The output end of the water pump is connected with a water supply pipe. A through hole is formed in the back face of the box door. A groove is formed on the front face of the box door. The through hole communicates with the groove. A water outlet pipe is coaxially and fixedly connected in the through hole. The water supply pipe communicates with the water outlet pipe. A first sealing cover is hinged to an opening of the groove. A switch is arranged on the front face of the box door and is connected with the water pump through a wire. In the water storage box assembly, the water taking process of the water storage box is convenient and fast, cold of the refrigerator can be prevented from being leaked, and therefore a good electricity saving effect is achieved.

The invention relates to a method for controlling the on-off of background lamps based on regional usage degrees and a mobile terminal. The method includes the following steps of: monitoring the use states of N regions in a preset time period, wherein the use states of the regions include existence and inexistence of touch operation executed by a user, and on-off state of a program; calculating use degree ranks corresponding to the N regions according to the use states of the N regions; and obtaining regions of which the use degrees rank into top X, and controlling lamp tubes corresponding to the regions of which the use degrees rank into the top X to be turned on, and controlling lamp tubes of which the use degrees do not rank into the top X to be turned off, wherein X is a positive integral larger or equal to 1 and is smaller than N. With the above method adopted, when the user uses the mobile phone, lamp tubes corresponding to regions of which the use degrees are lower in a touch screen will be turned off, and therefore, the normal use of the user will not be affected, and electricity can be saved.

Disclosed in the invention is a multi-tube heat recovery type gas-liquid separation device comprising a main gas-liquid separation device body. A multi-tube heat recovery device is installed in the main gas-liquid separation device body and is formed by two or more than two copper tubes; a multi-tube medium recovery device air outlet is formed in one end of each copper tube and a heat recovery liquid inlet is formed in the other end of the copper tube; and the multi-tube medium recovery device air outlets and the heat recovery liquid inlets are mutually connected. A first air inlet, a first air outlet, a gas-liquid separation device air inlet, and a gas-liquid separation device air outlet are formed in the main gas-liquid separation device body; the first air inlet and the first air outlet are mutually connected by a pipeline; and the gas-liquid separation device air inlet and the gas-liquid separation device air outlet are mutually connected by a U-shaped pipeline and a return opening is formed in the U-shaped pipeline. The gas-liquid separation device has advantages of ingenious structural design, high safe and reliable performances, and energy conservation and power saving.

Conductive ink with the function of electricity-saving, derusting reduction and corrosion prevention is mainly composed of conductor material, a derusting reducing agent, a corrosion inhibitor, a film-forming agent and a high-permeability solvent. In particular, after the conductive ink of the present invention is sprayed or applied on the outer surface of any conductor, the effect of rust removaland corrosion prevention can be exhibited on the conductor. It is worth noting that after the metal oxide generated by the rust is reduced to the metal state or metal salts by the derusting reducingagent, the metal oxide and the nano-conductor material together fill the gaps on the surface of the derusted conductor, thereby improving the conductivity of the conductor. The conductive ink can be used to improve the point contact problem between a conductive screw and a clamp-type conductive member. In particular, the conductive ink will penetrate and fill the gap between the screw head of theconductive screw and the clamp-type conductive member, so that the point contact becomes the surface contact, thus achieving the effect of reducing the ohmic impedance; at the same time, the surface contact also makes the electronic channel between the two conductors greatly expanded, thus achieving power-saving effect.

The invention discloses a 5G base station energy-saving implementation method applied to a power supply energy-saving cabinet, and the method comprises the following steps that: a power-saving system issues an instruction, and inquires the position of a current base station and an IMEI number corresponding to NB-IOT power-saving cabinet equipment from a network manager of a core network; and the core network manager provides an information query interface, receives a query command issued by the energy-saving system and returns related data. And the energy-saving system receives the data information returned by the network management system of the core network, and calculates whether the base station needs to switch on and off electricity through a multi-situation awareness decision algorithm. If the calculated result is not lower than the user threshold, maintaining the power-on state, the process is ended. And when the user threshold value is lower than the user threshold value, the power-saving system issues a command of switching the 5G user to the 4G network to the network management system of the core network. And the network manager of the core network migrates the user to the 4G network. And after the migration is finished, the energy-saving system issues and queries dormant equipment information to the network management system of the core network. Maintenance personnel are prevented from being accidentally injured.

The invention relates to a washing method, in particular to a method for immediately being stopped when the clothes are cleaned, which comprises the following steps: being fed with clear water, reading-in measured value A of a turbidity sensor via a computer board, and then washing and reading-in measured value B before finishing washing, going on washing to setting time to read-in measured valueC, wherein B-C=D, poaching if D is less than k which is washing value, going on washing if D is more than k and reading-in measured value as far as the differential value of reading-in two times is less than k, and then poaching to setting time and reading-in measured value E of a turbidity sensor, wherein A-E=F, dewatering and finishing if F is less than h which is predetermined setting poachingvalue, going on poaching as far as F is less than h if F is more than h. The washing method is capable of correctly judging whether stains of clothes are washed out and being stopped in time after washing clearly, thereby achieving effects of water-saving and electricity-saving without artificial setting times of poaching.

The invention discloses an intelligent atomization cooling tower device and a control method thereof. The intelligent atomization cooling tower device comprises a tower body, atomization modules arranged in the tower body, and an intelligent control system, wherein the tower body is equipped with a water inlet pipe and a water outlet pipe; each atomization module comprises an atomization device and an atomization push device; each atomization device comprises an atomization spray head and an atomization water inlet pipe, one end of each atomization water inlet pipe communicates with the corresponding atomization spray head, and the other end of the atomization water inlet pipe communicates with the water inlet pipe; each atomization push device is provided with a sensing component, a pressurization device and a fan blade, each pressurization device is connected with the corresponding atomization water inlet pipe and pressurizes the corresponding atomization spray head, and each fan blade is arranged at the lower end of the corresponding atomization spray head and driven by the reaction thrust generated through the injection of the corresponding atomization spray head, so that cold air enters a tower to carry out heat exchange with atomization water drops; and the intelligent control system is further arranged, and comprises a control mainframe PLC, an automatic control circuit and the sensing components, the running parameters of the cooling tower and the atomization modules, which are acquired by the sensing components, are transmitted to the control mainframe PLC through the automatic control circuit, and the cooling tower is controlled through the control mainframe PLC.

The invention discloses efficient and power-saving fertilizer stirring equipment which comprises a main box body, a main cavity is formed in the main box body, a main motor is arranged on the lower wall of the main cavity, a driving shaft is in power connection with the upper end face of the main motor, a gear ring barrel is fixedly connected to the outer circle face of the driving shaft, and thegear ring barrel communicates with an annular gear ring cavity. The upper end face of the driving shaft is fixedly connected with a supporting disc, the upper end face of the supporting disc is fixedly connected with a centrifugal shaft, the upper end face of the centrifugal shaft is fixedly connected with a centrifugal barrel, a centrifugal barrel cavity with an upward opening is formed in the centrifugal barrel, the lower wall of the centrifugal barrel cavity communicates with an induction cavity, and the upper wall of the main cavity is rotationally connected with a spline shaft; accordingto the invention, the stirring rod is driven by the gear ring to move up and down in a reciprocating manner while the roller rolls in a centrifugal manner, so that feed can be stirred better and faster under the action of centrifugal force and up-and-down reciprocation.

The invention relates to a brick making method, which uses raw materials of coal gangue, furnace clinker, shale, coal ash and clay and prepared according to the steps of (1) smashing and grinding the raw materials to be particles with the particle size below 2mm; (2) evenly mixing the particles of the raw materials, adding warm water to mix and make mud materials, and then conducting ageing treatment for more than 24 hours; (3) adopting a vacuum brick squeezing machine with the vacuum degree of -0.07MPa to -0.08MPa and molding moisture of 13.5%-14.5% to make the mud materials into green bricks, and adding a transducer on a main motor of the vacuum brick squeezing machine; (4) placing the green bricks into a drying hole to remove moisture and dry in a concentration mode; (5) adopting residual carbon of raw material gangue, furnace clinker and coal ash, and roasting by adopting a method of taking internal combustion as the principal thing and external combustion as the minor thing; and (6) cooling to obtain end products and detecting the content of calcium oxide. The brick making method is low in coal consumption and power consumption and stable in quality of made bricks.

A recommended device and method.The electrical recommended device is recommended to store the efficiency value and one -power parameter values of each of the users of several users.The recommended device of the electricity consumption device will multiply the electrical efficiency value of each user by individual power use values of each user to form several first temporary values.Subtract the electricity parameters of the user individually to form the electric parameters of the user alone to form several second temporary values. Use the second temporary value of the second temporary value to generate a change.The matrix and the change of the willingness matrix calculate the one -to -transfer probability matrix, calculate the characteristic value and one feature vector of the transfer probability matrix, and provide one -time advice based on the feature value and the feature vector.

The invention discloses an electric energy feedback type battery charging and discharging and capacity dividing device, comprising: a Buck-Boost bidirectional converter, which is used for boosting and buckling a DC voltage to provide constant current and constant voltage for battery charging and discharging; Isolated switching power supply for boosting and bucking DC voltage; bidirectional DC / AC converter for converting voltage between DC and AC; control circuit for monitoring the Buck‑Boost Bidirectional converter, bidirectional isolated switching power supply, bidirectional DC / AC converter. By adopting the invention, the constant current charging of the battery can be realized, and the discharged electric energy of the battery can be fed back to the power grid to realize energy regeneration. The frequency isolation transformer realizes electrical isolation. When charging, high-frequency synchronous rectification is used to improve efficiency, improve grid-side power factor, and reduce harmonic content and other factors that endanger energy quality.

The invention relates to a submerged arc furnace for smelting products such as silicon metal, yellow phosphorus, nickel and various iron alloys, specifically an improved submerged arc furnace electrode feed device. The device comprises electrodes, graphite linings, circulating cooling water jackets of which inner rings are equipped with conductive boards, and enclasping devices. Support bases are fixedly connected at outer sides of the inner rings of the circulating cooling water jackets. The graphite linings are mounted on the support bases. The enclasping devices are pressure rings. The pressure rings are sleeved at peripheries of the circulating cooling water jackets. Two magnetism isolation plates are mounted on the pressure rings. According to the device, the technical problems that graphite lining replacing operations are high in difficulty and are inconvenient are solved. The pressure rings are equipped with the magnetism isolation plates made of stainless steel, therefore, the magnetic field generated in operation process of the submerged arc furnace is isolated, the electrical efficiency is improved, and moreover, the thermal efficiency of the submerged arc furnace is improved.

The invention relates to the technical field of electricity saving, and discloses an intelligent curve transportation device with automatic arrangement and electricity saving functions. The intelligent curve transportation device comprises a machine shell, a first notch is formed in the machine shell, a movable rod is connected in the machine shell and in the first notch in a rotating mode, and a sliding block is connected in the machine shell and in the first notch in a sliding mode. A fixed rod is fixedly connected to the upper end of the sliding block, a conveying platform is fixedly connected to the upper end of the fixed rod, and a driving rod is connected in the fixed rod in a sliding mode. According to the intelligent curve transportation device with the automatic arrangement and electricity saving functions, a second push rod drives a movable contact to make contact with a fixed contact by extruding air, electromagnetic devices drive first push blocks to be clamped in notches by repelling first magnetic blocks, and therefore a rotating wheel is made to rotate, and a transportation platform drives the fixed contact to be disconnected with the movable contact through a first push rod. Therefore, the device intelligently controls the first push rod and the second push rod to slide, and the effect of saving electricity is achieved.

The invention provides a method for fast entering a photographing mode for a touch screen device. The method comprises the following steps: detecting a state of the touch screen; generating an application icon and displaying the application icon on a display screen interface when the state is that a display screen is opened and is in a photo preview mode; turning off the display screen when the application icon is selected; returning to the state before the display screen is turned off when a power source of the touch screen device is triggered; and meanwhile generating the application icon again. The application icon is generated when a preset condition is matched, the application icon is carried out a screen turning-off operation, and operation of returning to an interface before the screen is turned off is carried out when the power source of the device is triggered. Operation is simplified, operation efficiency and user experience are improved, and at the same time, the effect that electricity is further saved is achieved due to the fact that operation is simplified, so that multiple purposes of the touch screen device are achieved.

The invention relates to a method for controlling the on-off of background lamps based on regional usage degrees and a mobile terminal. The method includes the following steps of: monitoring the use states of N regions in a preset time period, wherein the use states of the regions include existence and inexistence of touch operation executed by a user, and on-off state of a program; calculating use degree ranks corresponding to the N regions according to the use states of the N regions; and obtaining regions of which the use degrees rank into top X, and controlling lamp tubes corresponding to the regions of which the use degrees rank into the top X to be turned on, and controlling lamp tubes of which the use degrees do not rank into the top X to be turned off, wherein X is a positive integral larger or equal to 1 and is smaller than N. With the above method adopted, when the user uses the mobile phone, lamp tubes corresponding to regions of which the use degrees are lower in a touch screen will be turned off, and therefore, the normal use of the user will not be affected, and electricity can be saved.

The invention relates to the technical field of ventilators, and discloses an energy-saving and automatic heat dissipation axial flow ventilator auxiliary device which comprises a machine shell, a driving rod is rotationally connected into the machine shell, a first control wheel is arranged on the surface of the driving rod, and a first notch is formed in the surface of the first control wheel. A first long rod is fixedly connected to the right end of the first control wheel, supporting rods are arranged at the upper portion of the first control wheel, and sliding blocks are connected into the supporting rods in a sliding manner. According to the energy-saving and automatic heat dissipation axial flow ventilator auxiliary device, a second control wheel drives first check blocks to slide through a second notch in the surface, so that the sliding blocks slide left and right in the supporting rods, the first check blocks at the bottoms of the sliding blocks drive the first control wheel to rotate on the surface of the driving rod through the first notch, and therefore the first control wheel drives fans to rotate through the first long rod, the two fans are driven by one driver, and the effect of saving electricity is achieved.

The invention relates to a three-source recovery heat pump hot water machine which comprises a device recycling the heat-energy given off by a refrigerator (or an ice house) and another device recycling the afterheat of sanitary wastewater and air supply and is characterized in that the device recycling the heat-energy given off by the refrigerator (or the ice house) is connected with a condense rarranged in a water tank by a compressor, and the output end thereof is connected with an evaporator by a capillary tube and returns to the compressor; wherein the evaporator can exchange heat with the refrigerator (or the ice house); the device recycling the afterheat of sanitary wastewater and air supply is connected with the condenser arranged in the water tank by the compressor, the output end thereof is connected with an outer evaporator by the capillary tube and returns to the compressor; wherein the outer evaporator can exchange heat with the outside. The product is without resort to weather, is simple to be installed, is connected by hydroelectric power and put, saves and recovers the heat source, and effectively protects environment.

The invention discloses a container type electrical control cabinet, which comprises a container type electrical cabinet shell, wherein the container type electrical cabinet shell is provided with at least one door. The characteristics lie in that a bottom plate of the container type electrical cabinet shell is provided with at least one row of electrical cabinet installation bases, an electrical cabinet is fixedly installed on the electrical cabinet installation bases, a flame retarding layer and / or an insulating layer are / is laid on the bottom plate of the container type electrical cabinet shell except for the electrical cabinet installation bases, the container type electrical cabinet shell is respectively provided with a lighting system and two heat exchange ventilation openings used for being communicated with a peripheral cooling system, and the two heat exchange ventilation openings are respectively arranged at two ends of the container type electrical cabinet shell. The container type electrical control cabinet is of an assembled structure, convenient to install, good in indoor temperature control effect, good in insulation and flame retardance and capable of lighting.