54results about How to "Improve energy saving effect" patented technology

The invention discloses a V-v wiring same-phase power supply and transformation structure. A V-v connection group is formed by a primary-side winding of a high-voltage-matched transformer and a primary-side winding of a traction transformer, the phase angle of the line voltage of the primary-side winding of the high-voltage-matched transformer is 120 degrees ahead of the phase angle of the line voltage of the traction transformer, a secondary-side winding of the high-voltage-matched transformer is connected with the input end of an ADA converter, and the outlet end of the ADA converter is connected with a primary side of a traction matching transformer. The voltage amplitude and the voltage phase of the secondary-side winding of the traction transformer are the same as those of a secondary side of the traction matching transformer respectively, and both the traction transformer and the traction matching transformer are connected with a traction bus. Due to the V-v wiring same-phase power supply and transformation structure, the capacity and the proportion of the ADA converter in a CPD can be reduced, construction cost can be reduced, and the optimal configuration of traction and power supply resources can be further achieved. The V-v wiring same-phase power supply and transformation structure is good in energy saving effect, and is particularly suitable for same-phase improvement of V-v wiring or V-x wiring traction substations used in high-speed railways and passenger transport lines currently and widely.

The invention discloses an air-conditioning system. The air-conditioning system comprises an outdoor side and an indoor side, wherein two or more indoor units are arranged in the indoor side; radiation heat exchangers are arranged on at least one indoor unit; the invention further discloses an air-conditioner including the above air-conditioning system, and a control method for the air-conditioner; the above air-conditioning system is arranged in the air-conditioner; in the air-conditioning system, the radiation heat exchanger is arranged on one indoor unit or an ordinary heat exchanger is arranged on the other indoor unit; the radiation heat exchangers can be arranged on one or more indoor units; compared with the prior art that an radiation plate and the heat exchanger are arranged on the same air-conditioner, the separately controlled radiation heat exchangers and ordinary heat exchanger are diversified in control manners; according to the condition of indoor environment temperatures, the combined control of the radiation heat exchangers and the ordinary heat exchanger under different work conditions is realized and energy conservation effect is improved.

The invention discloses composite thermal insulation mortar which solves the problem that the thermal insulation property of existing thermal insulation mortar is not good and achieves recycling of crop straws. The composite thermal insulation mortar is composed of, by weight, 70-80 parts of cement, 10-15 parts of coal ash, 5-20 parts of calcium hydroxide, 10-20 parts of rice straw fibers, 30-40 parts of glass beads, 0.5-0.8 part of cellulose ether, 0.1-0.2 part of starch ether, 0.01-0.05 part of air entraining agents, 1-4 parts of emulsion powder and 150-190 parts of water, wherein the cement, the coal ash and the calcium hydroxide account for 100 parts. According to the composite thermal insulation mortar, the crop straws are fully utilized and recycled; meanwhile, the rice straw fibers of agricultural waste and the coal ash of industrial waste can be utilized, and the composite thermal insulation mortar is environmentally friendly, low in energy consumption and capable of being widely applied to thermal insulation of internal walls and external walls of buildings.

The invention provides a control method, a control system, a computer readable storage medium and a mobile air conditioner. The mobile air conditioner comprises an invariable frequency compressor. Thecontrol method used for the mobile air conditioner comprises the steps that the environment temperature T of the environment where the mobile air conditioner is in is obtained in the refrigerating mode; and when the environment temperature T is lower than or equal to a set temperature Ts, the invariable frequency compressor is controlled to stop operating, the temperature interval where the environment temperature T is in is determined, and the operation mode of an indoor fan of the mobile air conditioner is controlled according to the temperature interval. According to the technical scheme,when the environment temperature T is lower than the set temperature Ts, the invariable frequency compressor is controlled to stop operating, and the operation mode of the indoor fan of the mobile airconditioner is controlled according to the temperature interval, so that the refrigerating efficiency is lowered, and the environment temperature T is stable relatively; and meanwhile, unnecessary power consumption of the mobile air conditioner when the temperature is close to the set temperature Ts is reduced, and the mobile air conditioner is capable of saving more energy and environmentally friendly.

The present invention relates to an air conditioner with a higher energy saving effect, through which an operation state can be easily determined, wherein the air conditioner (1) is provided with an outdoor machine (10), an indoor machine (20) and a remote control switch (40). The air conditioner is also provided with a human sensor (21) for detecting the motion of humans in a room, an operation state determination unit (22) connected with the human sensor, an operation motion control unit (24) for controlling the operation motion of the air conditioner, and a timing unit (23). When the operation state determination unit determines the motion of humans to be small according to the detection information of the human sensor, the operation capacity of the air conditioner is reduced; further, the motion of humans is determined to be small according to the detection information of the human sensor in a certain time, the operation capacity of the air conditioner can be further reduced; and it is determined that no human motions, after the timing unit operates for a certain time, the air conditioner stops operation. It is displayed on the operation state display unit (25, 43), etc., that that air conditioner stops operation according to the detection information of the human sensor.

The invention belongs to the field of automobile braking energy recycling and particularly relates to a braking power generation mechanism based on the cooperation of balls. The braking power generation mechanism comprises a brake disc, brake disc protrusions, a brake mechanism support, a mechanical braking energy converting mechanism, brake block supports, hydraulic columns, a lead screw, a ball revolute pair, a gear and a power generator, wherein the brake block supports are installed on the brake mechanism support. When the brake disc rotates in the initial stage of braking, brake blocks get close to the brake disc gradually, an ejector block is in contact fit with the protrusions firstly, the ejector block conducts reciprocating rectilinear movement in the direction of a cylindrical guide rail, the ball revolute pair is driven to rotate in a reciprocating mode through cooperation, and accordingly the power generator is driven to generate powder; in the later stage of braking, the brake blocks start to make contact with the brake disc and generate large friction force, and strong braking is conducted on automobile wheels. According to the braking power generation mechanism, the braking energy is converted into reciprocating movement through the cooperation of the ejector block and the protrusions, so that the ball revolute pair is driven to drive the power generator to generate power, the braking energy can be utilized effectively, and the energy saving effect of an automobile is improved.

The invention provides a cell discovery method and apparatus, and an energy saving control method and apparatus, belonging to mobile communication field. The cell discovery method comprises: an obtaining step of obtaining a plurality of measurement reports recording the first signal intensity of a first cell, and the second signal intensity of a second cell; a determination step of determining whether the first cell exists a shunting cell according to determination conditions of the shunting cell so as to obtain a determination result; and a notification step of notifying a network management system of the cell information of the first cell existing a shunting cell when the determination result is yes, allowing the network management system to perform energy saving control on the first cell. The technical scheme can reduce the energy consumption of a mobile communication network, and meanwhile guarantee the communication quality of the mobile communication network.

The invention provides a control method, a control system, a computer readable storage medium and a mobile air conditioner. The mobile air conditioner comprises a constant frequency compressor; a control method of the mobile air conditioner comprises the steps that in the cooling mode, an ambient temperature T of an environment in which the mobile air conditioner is located is acquired; when the ambient temperature T is less than or equal to a setting temperature Ts and an ambient humidity is within a preset humidity range, the constant frequency compressor is controlled to stop operating anda temperature range of the ambient temperature T is determined, and an operating mode of an indoor fan of the mobile air conditioner is controlled according to the temperature range. According to thetechnical scheme, when the ambient temperature T is less than the setting temperature Ts and the ambient humidity is within the preset humidity range, the constant frequency compressor is controlled to stop operating and the operating mode of the indoor fan of the mobile air conditioner is controlled according to the temperature range and the humidity range, and the cooling efficiency is reduced and the ambient temperature T is relatively stable; meanwhile, the unnecessary energy consumption of the mobile air conditioner is reduced when the temperature is near the setting temperature Ts to make the mobile air conditioner more energy-saving and environmentally friendly.

The invention relates to a load-bearing, heat-insulation and decorative integrated fabricated wall and a method for manufacturing the same, in particular to fabricated walls. The fabricated wall comprises heat-insulation layers. The heat-insulation layers are made of aerogel materials, light steel keels, high-strength face plates and decorative layers are respectively arranged on the insides and the outsides of the heat-insulation layers, and the fabricated wall has heat-insulation and decorative functions. The load-bearing, heat-insulation and decorative integrated fabricated wall and the method have the advantages that the load-bearing, heat-insulation and decorative integrated fabricated wall which is a heat-insulation and decorative integrated fabricated wall with composite aerogel and the light steel keels is light, attractive and practical, is high in strength, has a low heat conductivity coefficient, can be quickly assembled on a site after being prefabricated and formed in a factory, and has an obvious practical significance on promoting development of housing industrialization and green architecture in China.

The present invention provides a LED street lamp optical system, including a LED lamp, a connector, a main reflector and an auxiliary reflector, the main reflector is composed of multiple elementary cells, the axes of reflecting surface of each elementary cell is mutual parallel, the bottom of the each elementary cell of main reflector has multiple openings for placing LED lamp, the auxiliary reflector are two, located in two sides of the main reflector respectively, mounted in V shaped groove of the top of two sides of the main reflector, the optical system forms a lighting area similar to rectangle on the road surface, for effectively utilizing optical energy, enhancing energy saving effect of LED lamp; the illumination intensity in the lighting area is evenly distributed, capable of meeting requirement of lighting uniformity of national relating standard; the optical system has a simple structure, easy to produce, in addition, since area far from the lamp head is lighted by reflecting light, glare is effectively reduced.

The invention relates to the technical field of building curtain wall energy conservation, and discloses a breathing type double-layer glass curtain wall system which comprises an outer-layer glass curtain wall; the outer-layer glass curtain wall is made of heat insulation sectional materials and located outside the outer ends of an upper-layer plate and a lower-layer plate; the outer-layer glasscurtain wall is completely closed; a second supporting device is arranged at the position, close to a supporting rod, of an indoor floor; the second supporting device is connected with an inner-layerglass curtain wall; the inner-layer glass curtain wall is made of non-heat-insulation sectional materials; a ventilation interlayer is formed between the outer-layer glass curtain wall and the inner-layer glass curtain wall; a glass door is arranged at the position, spaced by the width of a third ventilation device, of the inner-layer glass curtain wall; the glass door is made of the heat insulation sectional materials and connected with the indoor floor; the inner-layer glass curtain wall, the third ventilation device, the glass door and the indoor floor sequentially define an area with a closed side line; and after the glass door is closed, air flow circulation at the two sides of the glass door can be interrupted. According to the breathing type double-layer glass curtain wall system, under the condition of not depending on a complex mechanical system, the effects of temperature adjustment in summer and heat insulation in winter are achieved.

The invention provides a chemical storage tank. The chemical storage tank comprises a tank body, a tank cover body and a shielding cover, wherein the tank cover body is arranged on the top of the tank body, and the shielding cover is arranged on the top of the tank cover body. The tank cover body is provided with a shielding edge extending out of the tank body. The tank cover body further comprises a plurality of first spraying pipes arranged on the shielding edge in a surrounded mode. A second spraying pipe is arranged at the center of the shielding cover. A water receiving groove is formed in the bottom of the tank body and internally provided with a water supplying pipe. A condensing device is connected to the water supplying pipe. A water supplying pump is connected to a water outlet of the condensing device and connected with the first spraying pipes and the second spraying pipe. The chemical storage tank has the beneficial effects that direct sunlight to the tank body is avoided through the arranged shielding cover, and the tank body is cooled through the arranged spraying pipes; in addition, cyclic utilization of water is achieved through the arranged condensing device and the water supplying device, so that the energy-saving effect is improved.

The invention provides a preparation method of a ground source heat pump drilling backfilling material. A high-performance backfilling material for a buried pipe heat exchanger is prepared by utilizing industrial tailings so as to have higher thermal conductivity, better fluidity, water retention and slight expansion and stronger impermeability. The ground source heat pump drilling backfilling material is prepared from the following raw materials in parts by weight: 1.0 part of portland cement, 0-0.3 part of fly ash, 0.1-0.3 part of steel slag micropowder, 0-0.01 part of a defoamer, 0.05-0.15 part of an expansive agent, 0.05-0.15 part of bentonite, 0.002-0.020 part of a water reducing agent, 1.0-3.0 parts of a steel slag fine aggregate and 0.27-0.60 part of water. The preparation method has remarkable economic, social and environmental benefits and is simple in steps, convenient to operate and strong in practicability.

An alternating-direct current highly-energy-saving environment-friendly current-regulating brightness-control LED indoor and outdoor illuminating lamp is characterized in that a plurality of LEDs which are grouped to be in parallel connection and an adjustable resistor unit are serially connected onto a voltage-stabilized power source, each group includes more than two LED lamp beads in parallel connection, and the adjustable resistor unit is an adjustable resistor or a plurality of fixed resistors different in resistance value and switched by switches. The adjustable resistor unit is serially connected with the LEDs grouped to be in parallel connection to enable that the higher the resistance is and the smaller the current is, the lower the luminous efficiency is, on the contrary, the lower the resistance is and the larger the current is, the higher the luminous efficiency is, and LED grouped current is controlled quite properly by means of resistor adjustment, so that heat emitting of the LEDs is prevented while the highest luminous efficiency is achieved.

The invention discloses an integrated solar induction intelligent constant-temperature ecological curtain wall system and a temperature control method. The system is characterized in that an inner-side glass curtain wall, an outer-side glass curtain wall, a temperature control unit and an environment monitoring system are included, an independent hollow layer is formed between the inner-side glass curtain wall and the outer-side glass curtain wall, the temperature control unit is connected in the hollow layer, vent holes are formed in the inner-side glass curtain wall and the outer-side glass curtain wall, intelligent temperature control is achieved by intelligently selecting working modes, and the temperature of the hollow layer is kept at a constant value as far as possible while energy consumption is reduced.

The invention belongs to the field of automobile braking energy recycling, and particularly relates to a braking power generation mechanism based on hydraulic transmission. The braking power generation mechanism based on hydraulic transmission comprises a brake disk, a brake disk protrusion, brake pad supports, hydraulic columns, a hydraulic cylinder, a piston, a hydraulic motor and a power generator. The brake pad supports are installed on a brake mechanism support. When the brake disk rotates, at the early stage of the braking process, a brake pad gets close to the brake disk gradually, an ejecting block firstly makes contact with the protrusion and is matched with the protrusion, the ejecting block linearly reciprocates in the direction of a cylindrical guide rail, the piston is driven to reciprocate through cooperation so that hydraulic oil can be driven to flow in the hydraulic motor in a reciprocating manner, and therefore the power generator can be driven to generate power; and at the later stage of braking, the brake pad starts to make contact with the brake disk, large friction force is generated, and wheels are braked forcibly. Due to the cooperation of the ejecting block and the protrusion, braking energy is converted into reciprocating movement, and therefore the hydraulic oil is driven to flow in the reciprocating manner, the power generator is driven to generate power, the braking energy is effectively utilized, and the energy saving effect of an automobile is improved.

The invention discloses a negative sequence device of a compensation transformer and a method thereof, which relate to the technical field of traction power supply of an electrified railway. The negative sequence compensation device is mounted on the traction-compensation transformer, wherein an input terminal of a measurement and control unit MC is connected with a measurement terminal of a traction port voltage transformer PT and a measurement terminal of a current transformer CT, and an output terminal of the measurement and control unit MC is connected with a control terminal of the firstreactive power compensation unit SVG1 and a control terminal of the second reactive power compensation unit SVG2. The measurement and control unit is connected with the reactive power compensator, andthe reactive power of the first reactive power compensation unit and the second reactive power compensation unit is controlled by calculating the traction port power P and the working condition through the voltage value of the voltage transformer and the current value of the current transformer. The device and method are used to measure the voltage value of the voltage transformer and the currentvalue of the current transformer and calculate the traction port power and operating conditions to control the reactive power of the reactive power compensator.

The invention relates to an intelligent recognizing refrigerator. The intelligent recognizing refrigerator comprises a cabinet body with the refrigerating foundation, wherein doors are arranged on the cabinet body; a plurality of cameras for shooting the conditions of objects stored in the cabinet body all around are arranged in the cabinet body; LED lamps are arranged on the top part of each separated section in the cabinet body; a display screen and operation buttons are arranged on one door; the plurality of cameras, the LED lamps, the display screen and the operation buttons are synchronously electrically connected with a control module, wherein the control module comprises a light control unit for controlling to turn on the LED lamps, and a display drive unit for displaying the images shot by the cameras through the display screen. According to the scheme, the intelligent recognizing refrigerator has the advantages that the conditions of the objects in the refrigerator can be directly observed without opening the doors; the doors are not needed to be opened when no objects are needed to be taken out, so that the electricity can be saved, the energy saving effect of the refrigerator can be improved after many times of use, and meanwhile, the environmental protection performances of refrigerator products can be improved.

The invention discloses a series-wound type poly-generation technology for coal chemical industry, wherein the coal gasification is taken as the source and a chemical process and a power system are connected in series to form an upstream-and-downstream optimal combination. After undergoing the cooling and purification process, raw gas is directly subjected to a synthetic reaction to produce chemical products. Unreacted gas is divided into recycle gas and unrecycled gas: based on the technology of adjusting non-synthetic gas and appropriately recycling unreacted gas, the recycle gas undergoes syngas adjustment to raise the ratio of H2 to CO and then is mixed with the new synthetic gas so as to make the components of the synthetic gas more close to the chemical dose ratio required by the chemical reaction; and the unrecycled gas undergoes the preheating and swelling treatment and then sent to a gas-steam combined-cycle power generation system. The system adopted in the invention includes a space division unit, a synthetic gas preparation unit, a sensible heat recycle unit, a purification unit, a synthesis unit, a conversion unit and a power generation unit. The production technologyprovided by the invention can raise energy utilization efficiency, reduce investment and cost and markedly enhance economic performance.

The invention relates to a layered-display intelligent refrigerator which comprises a cabinet body. The cabinet body is internally provided with a refrigerating chamber and a freezing chamber. The refrigerating chamber and the freezing chamber are each provided with a plurality of partition layers. The cabinet body is provided with a cabinet door and internally provided with cameras for shooting images of stored objects in the cabinet body. The top of each partition layer in the cabinet body is provided with an LED lamp. The cabinet door is provided with a display screen and control buttons. The cameras, the LED lamps, the display screen and the control buttons are electrically connected with a control module at the same time. The cameras comprise a refrigerating chamber camera and a freezing chamber camera. The LED lamps comprise refrigerating chamber LED lamps and freezing chamber LED lamps. The control buttons comprise multiple buttons for controlling the refrigerating chamber camera and the freezing chamber camera and buttons for controlling the refrigerating chamber LED lamps and the freezing chamber LED lamps. The display screen comprises a plurality of display sections for displaying the images of the partition layers respectively. A display drive unit comprises drive sub units connected with the display sections respectively. By means of the scheme, the energy-saving effect of the refrigerator can be improved.

The invention relates to the technical field of engines, in particular to an energy-saving and emission-reducing motorcycle engine. The motorcycle engine comprises a main body and a sleeve; a coolingport is formed in the position, close to the upper end of the main body, of one side of the main body; an oil level gauge and a fixing base are fixedly arranged at the positions, close to the lower end of the main body, of one side of the main body; the oil level gauge is fixedly arranged on one side of the fixing base; an actuating lever is fixedly arranged on the outer surface of one side of thefixing base; a silicon carbide gasket is fixedly arranged on the outer surface of one end of the actuating lever; a spline groove is fixedly formed in the outer surface of one side of the actuating lever; and an edge cover is fixedly arranged on the outer surface of the front end of the main body and is arranged on one side of the oil level gauge. The energy-saving and emission-reducing motorcycle engine has the advantages that the cooling port and an air suction hole are formed, the silicon carbide gasket is arranged, so that the heat loss of the engine can be prevented, the damage to the actuating lever can be prevented, in addition, the emission of tail gas can be reduced, and a better application prospect is brought.

If an elevator lift car whose balance weight and the weight of a lift car are close to a balance state is set as easier assignment, energy variations resulted from increase of occupancy rate of the elevator lift car due to an assigned hall call are different in power running and regeneration work, so that the elevator lift car with large energy increment is used for assignment, thus leading to a problem that an energy-saving effect is small. The invention provides an elevator group management system which assigns the elevator in response to the hall call from a plurality of elevators. In relative to the occupancy rate of a specified lift car, occupancy number in the specified lift car or load capacity of the specified lift car of each elevator among the plurality of elevators becoming boundary of converting the power running and the regeneration work, the elevator having a predicated occupancy rate, a predicated number or a predicated load value in the lift car after passengers by the hall call is smaller than the specified occupancy rate, the specified in-car number or the specified load capacity and having values close to the specified values is set as the easier assignment.

The invention discloses an inertia type fluid transportation and pressurization method and device and belongs to the technical field of fluid transportation and pressurization. A container is used for containing fluid, two through holes are formed in the container in a spaced mode to be used as a fluid input port and a fluid output port, and the fluid input port and the fluid output port are provided with one-way valves for controlling one-way input and output flow of fluid correspondingly. A vibration driving mechanism is used for driving the container to vibrate, the movement direction of fluid in an inner cavity of the container is alternately changed, and transportation and pressurization for fluid are achieved through extrusion produced to fluid under the inertia effect and one-way control of the one-way valves on the flow direction of fluid. Transportation and pressurization for fluid are achieved, the vibration driving mechanism can maintain reciprocating vibration of the container only through minute electric energy in the working process, electric energy consumption is low, and the energy saving effect is greatly improved.

The invention provides an inorganic composite thermal insulation board external wall thermal insulation system. The bottom layer adopts a water-based paint composed of 50-70% pure acrylic emulsion, 5-10% functional additives, and 25-45% quartz powder as a filler. The middle layer adopts thermal insulation board and reinforced fiber composite foamed cement board, and the mesh cloth for reinforcing fiber adopts alkali-resistant mesh cloth, the bonding mortar adopts rubber powder polymer mortar binder, and the surface adopts polymer cement plastering mortar, which solves the problem of The problem of water seepage that often occurs in the thermal insulation system and the problem of short thermal insulation life are eliminated. The thermal insulation system has the same life span as the wall, and the energy saving effect of this system is greatly improved.

The invention provides a downwards inclined light bar provided with bent-pin circuit connectors and a display screen. The light bar comprises a light bar PCB (printed circuit board) provided with multiple light-emitting elements and the circuit connectors; at least one circuit connector capable of being connected with a stand column PCB is mounted on the light bar PCB; one end of each circuit connector is connected with the light bar PCB, the other end is connected with the stand column PCB, and all pins at one end of the circuit connector are bent, so that an included angle alpha is formed between the plane of the light bar PCB or the extension surface of the plane of the light bar PCB and the plane of the stand column PCB or the extension surface of the plane of the stand column PCB and is larger than 0 and smaller than 90 degrees. The maximum light intensity angle of an LED light of the light bar is downwards inclined, the viewing brightness of the display screen mounted in the high position is increased, so that the energy-saving effect of the display screen is improved, the light bar can be narrowed easily, and the void rate is increased. Besides, the improvement cost is low, the risk is low, the structure is simple, and manufacturing and maintenance are easy.

The invention provides an RRC connection configuration method and a communication device, which can effectively reduce the power consumption of terminal equipment when the terminal equipment is in anRRC connection state and does not receive and transmit data. The method comprises the following steps: terminal equipment receives a first timeout parameter and a second timeout parameter sent by network equipment; wherein the second timeout moment corresponding to the second timeout parameter is later than the first timeout moment corresponding to the first timeout parameter. And then, when the MAC layer of the terminal device detects data transceiving, the terminal device enters or maintains a first working mode in an RRC connection state, and starts or restarts a first timer and a second timer at the same time. And then, when the time of the first timer reaches a first timeout moment, the terminal device enters a second working mode in the RRC connection state, and when the time of thesecond timer reaches a second timeout moment, the terminal device enters an RRC idle state, wherein the power consumption of the terminal equipment in the second working mode is lower than the power consumption of the terminal equipment in the first working mode.

The invention belongs to the technical field of air conditioners, and particularly relates to a control method of a frequency conversion air conditioner. The control method aims to solve the problem of the poor energy saving effect of an existing air conditioning system with a waste heat recovery function. In order to achieve the purpose, the control method of the frequency conversion air conditioner can determine the frequency mode of a frequency conversion pump according to different branch operating conditions, so that frequency conversion operation of the frequency conversion pump meets basic operation requirements and hot water heating requirements of the air conditioner, and the energy saving effect of the air conditioner is improved on the basis of achieving waste heat recovering; or the control method can also determine whether the frequency conversion pump needs frequency reduction or not according to the current frequency mode of the frequency conversion pump and the change condition of the opening degree of an electronic expansion valve, under the condition that the frequency conversion pump needs frequency reduction, corresponding frequency reduction schemes are implemented in different frequency modes of the frequency conversion pump, and the energy saving effect of the air conditioner is optimized and promoted.

The invention discloses a communication terminal energy-saving control method, a communication method, a device and a system thereof. When no communication data which require transmission to a communication terminal exists at a network side, a communication terminal energy-saving control instruction is generated, and the control instruction is transmitted to the communication terminal, so that the communication terminal enters an energy saving state according to the communication terminal energy-saving control instruction. Therefore the communication terminal does not require continuous monitoring for idle ports when no communication data exists, and the communication terminal energy-saving control method has functions of: improving energy saving effect of the communication terminal, realizing higher electric-power saving effect of the communication terminal in a using process, and improving satisfaction of user experience.

A mehod for decreasing the heat loss of industrial furnace shell features use of dual-layer furnace shell, that is, an additional shell made of thin steel or aluminium sheet is used outside exisiting shell to form an enclosed air layer, so increasing thermal resistance. A layer of refractory fibres is attached to internal or external surface of dual-layer furnace shell.