174results about How to "Solve the problem of energy saving" patented technology

The invention discloses a variable-frequency air conditioner control method and an air conditioner. The variable-frequency air conditioner control method comprises the steps: entering a user setting mode in response to a user operation instruction; acquiring a running frequency, which is set by a user, of an air conditioner compressor; controlling the air conditioner compressor to run at the set running frequency. Furthermore, the user can also set different running time periods of a variable-frequency air conditioner compressor and the running time lengths and the running frequencies of all the time periods; in each running time period set by the user, the air conditioner compressor is controlled to run at the set running time length and the running frequency; moreover, a difference value between the set temperature ts and the indoor temperature t1 can be judged in any time period after the air conditioner compressor runs according to the preset time length or a default time length, and frequency rising and frequency falling are determined according to the difference value or the current frequency is kept until the period is ended; the comfortableness of the air conditioner is guaranteed, and energy conservation of the air conditioner can be realized; more different demands of the user are met.

The invention discloses a preparation method of Fe-based bulk amorphous nano-crystal magnetic elements, which comprises the following steps: pre-crashing a Fe-based amorphous belt to flakes of (0.5-1)*(0.5-1)cm<2> size; placing the pre-crashed flakes to a ball mill for an appropriate period of time to obtain amorphous powder of 10nm-200nm size under the protection of inert gases or reducing gases, against sample oxidation; mixing the obtained amorphous powder with a binder; and applying a pressure within a temperature range of glass transition until the pressure is more than or equal to 100MP. For the rapid quenching of amorphous powder, under the reasonable control of temperature, pressure and solidification conditions, the high-density bulk is yielded and simultaneously a large quantity of nano-crystal bulk alloys, with uniform size distribution, are separated out of the amorphous matrix, forming a nano-crystal / amorphous composite phase structure, and the size of the nano-crystals is significantly less than that of those formed by the crystallization of amorphous bulk under normal pressure.

The invention relates to a method for utilizing bamboo reed charcoal to reduce agricultural soil nitrous oxide (N2O) discharge and belongs to the technical field of greenhouse gas emission reduction. The method for utilizing the bamboo reed charcoal to reduce agricultural soil N2O discharge aims at reducing the soil N2O discharge caused by massive use of nitrogenous fertilizer in the agricultural production process. The technical scheme is that the method comprises the steps of first airing collected bamboo reed, cutting the bamboo reed into small sections of 1-5cm, preparing the bamboo reed into the charcoal in a thermal cracking method at 200-650 DEG C under protection of inert gases with the flow velocity of 200-500mL / min; smashing the well prepared charcoal into particles of 1-5mm, enabling the particles to be fully mixed with agricultural soil according to the proportion of 0.1-10%, keeping soil moisture content at 70-110%, and performing culture for 6-100 days at 20-30 DEG C so that the discharge of N2O in the agricultural soil can be effectively reduced. The method can be used for ordinary farmland soil and can also be used for facility agricultural soil.

The invention discloses an intelligent network-connected fuel cell vehicle real-time energy optimization management system, and belongs to the field of optimization control of fuel cell vehicles. The invention aims to provide a layered real-time energy rolling optimization control intelligent network-connected fuel cell vehicle real-time energy optimization management system for a fuel cell vehicle. According to the invention, a macroscopic long-time-domain average traffic flow velocity trajectory prediction module is designed, a microscopic short-time-domain vehicle speed prediction module is designed, an energy optimization control-oriented fuel cell vehicle power system model is established, an energy optimization management problem is established, long-time-domain preview information is utilized, and an upper-layer trajectory rolling optimization controller is designed; and a lower-layer energy rolling optimization controller is designed by using the short-time domain preview information, and a solved control input sequence signal is transmitted to a power execution control unit of the fuel cell vehicle. According to the invention, the energy-saving space of the fuel cell vehicle in the intelligent network-connected traffic environment is excavated, and the fuel economy of the fuel cell vehicle in the intelligent network-connected environment is obviously improved.

The invention belongs to the technical field of human body differentiation and provides a method for extracting and differentiating human body heat source features of infrared pyroelectricity wavelet packet energy. According to the method, the purposes of detection within a 360-degree large-scale range and with a long distance and detection of a static infrared heat source are achieved and the problems that the comfort and the energy-saving performance in an intelligent air conditioner conflict and the false alarm rate in a safety supervision system is high are effectively solved. Thus, according to the technical scheme, the method for extracting and differentiating the human body heat source features of infrared pyroelectricity wavelet packet energy comprises the following steps that a single pyroelectricity infrared detector is driven by a stepping motor to rotate at a constant speed, so that detection of a static object at the long distance and within 360-degree large-scale range is achieved; the detection range is within a disc, wavelet packet analysis is conducted on a collected sample of the human body heat source and a collected sample of a non-human-body heat source, wavelet packet energy serves as a feature of a signal, 5-folding-time cross validation is conducted through a BP neural network, and therefore the human body heat source and the non-human-body heat source are differentiated. The method for extracting and differentiating the human body heat source features of infrared pyroelectricity wavelet packet energy is mainly applied to occasions of the human body differentiation technology.

The invention discloses an energy-saving control method for water side equipment of an air-conditioning system, which is used for carrying out energy-saving control aiming at the water side equipment of the air-conditioning system. The water side equipment of the air-conditioning system comprises at least one ice water host, at least one water cooling tower and a plurality of water pumps. The method comprises the following steps: carrying out regression analysis of the power consumption performance of the ice water host; carrying out regression analysis of the performance of the water cooling tower; carrying out regression analysis of the operating performance of the water pumps; carrying out system establishment and numerical value optimization calculation; and carrying out control according to each operation parameter, and carrying out data feedback and verification of the operating date after control. The energy-saving control method of the invention can establish an energy-saving control mode of the water side equipment of the air-conditioning system through a regression analysis model and an optimization algorithm, and simultaneously has the advantages of consideration of energy consumption of the whole system, automatic feedback control, self-correction of coefficients and no need of additionally developing hardware equipment.

The invention belongs to the technical field of human body distinguishing and discloses a human body heat source feature extracting and distinguishing method based on infrared pyroelectric information. The method aims to achieve 360-degree wide-range and remote detection and detection of static infrared heat sources and effectively solves the problems of confliction between comfort and energy saving of an intelligent air-conditioner and high false alarm rate of a safety supervision system. According to the technical scheme, the method comprises the steps that a stepping motor is adopted to drive a single pyroelectric infrared detector to rotate at a uniform speed, and then remote, 360-degree wide-range and static object detection is achieved; the detection range is a disk shape, wavelet packet analysis is conducted on collected human body heat source samples and non-human-body heat source samples, a signal wavelet entropy is taken as the features of the signal, 5-fold cross-validation is conducted by means of the BP neural network, and then human body heat resources are distinguished from non-human-body heat resources. The method is mainly applied to human body distinguishing.

The invention discloses an indoor thermal environment control system predicting a thermal sensation based on an artificial intelligence technology. The indoor thermal environment control predicting the thermal sensation based on the artificial intelligence technology comprises the following steps that S1, an initial value of the comfort skin temperature of a user is set according to a recommendedcomfort temperature value, an infrared thermal imaging camera is used for shooting an infrared image of the user, and the skin temperature is identified according to thermal imaging; and S2, if the user inputs the thermal sensation such as 'feeling too cold' and 'feeling too hot'' through an HMI, the comfort domain for the skin temperature of the user is updated accordingly.

The invention relates to the technical field of internal combustion engines, and provides a hydrogen internal combustion engine combustion system and a combustion control method. The hydrogen internal combustion engine combustion system comprises a jet flow chamber and a main combustion chamber. A spark plug is arranged in the jet flow chamber, a jet flow hole is formed in the bottom of the jet flow chamber, and the main combustion chamber communicates with the jet flow chamber through the jet flow hole. The system further comprises a hydrogen ejector, and a nozzle of the hydrogen ejector is arranged in the jet flow chamber. The nozzle is used for spraying hydrogen into the jet flow chamber at the tail phase of the air intake stroke and the compression stroke, and in the air inlet stroke, thin mixed gas is distributed in the main combustion chamber. And at the later phase of the compression stroke, concentrated mixed gas is distributed in the jet flow chamber. Based on the active jet flow ignition technology of the jet flow chamber, the heat efficiency of an internal combustion engine can be improved; and meanwhile, the hydrogen two-time ejection technology is adopted, the thin mixed gas and the thick mixed gas are formed in the main combustion chamber and the jet flow chamber respectively, NOx generation can be effectively restrained in the whole combustion chamber, and NOx emission is greatly reduced.

The invention discloses a sterilizing cabinet convenient for installing and disassembling a sterilizing device. The cabinet body has an accommodating cavity for placing sterilized articles; the innerwall of the accommodating cavity is provided with a slot for installing the sterilizing device; one side of the slot facing the sterilized articles is an open surface; the top of the slot is rotatablyconnected with a rotating rod; the back of the slot is rotatably connected with one end of a telescopic rod; the other end of the telescopic rod is rotatably connected to the side wall of the rotating rod; a first spring sleeves on the telescopic rod; the two ends of the first spring respectively abut the back of the slot and the side wall of the rotating rod; the rotating rod is provided with apositioning device; the inner top of the slot is provided with a moving slot matched with the positioning device; the moving slot is further internally provided with a closing device for closing the moving slot; the sterilizing device comprises a lamp socket; the two side walls of the slot are respectively provided with mounting devices; the lamp socket is in insertion connection with the slot through the mounting devices; and the lamp socket is provided with a controllable disinfecting device. The sterilizing device can be disassembled and assembled quickly without removing the sterilized articles in the cabinet.

The invention discloses a split networked intelligent temperature controller of a central air conditioner. The temperature controller comprises a control panel and a power supply board which are connected; the control panel comprises a temperature measurement module, a liquid crystal display module and a parameter setting module; and the power supply board comprises a power supply module, a relaycontrol module and an RS485 interface circuit, wherein the power supply module supplies power to the relay control module and the control panel. A single micro control unit (MCU) structure is adoptedin the temperature controller, and the front panel and the rear panel are split in the design; and by adopting the single MCU, the defect that a wiring tube of the traditional temperature controller is not easily connected to centralized (remote) monitoring of the central air conditioner is overcome, the dependency of civil engineering is reduced, the use safety is promoted, the universal applicability of any standard junction box is enhanced, and the networked expansibility of the system is exploited.

The invention relates to a polyphenylene grain thermal insulation mortar, which is characterized in that: the components comprises the following according to the weight: general silicate cement 280-325 weights; powder coal ash 400-460 weights; calcium hydroxide130-170 weights; plaster powder 17-23 weights; carboxymethyl cellulose 2-5 weights; rare-earth catalyst 2-4 weights; polypropylene 2-5 weights; polyvinyl alcohol 17-25 weights; expanded polystyrene 50-60 weights; and water 70-100 weights. The technical proposal adopted by the invention not only has good thermal insulation and waterproof performances, but also has great strength, and can be directly bonded with the ceramic brick. The invention has the advantages of convenient construction, low synthetic cost, recycled foam plastic source for repeatable use, and being advantageous for environmental protection.

The invention discloses an online low-nitrogen oxygen-rich combined combustion energy-saving system. The system comprises a pretreatment comprehensive coal hopper which is mounted on a chain-type coal firing boiler, feeds the raw coal in layers and in rows into a chain-type coal firing boiler grate and sorting powdery coal on line; a drying / preheating heat exchanger for drying and delivering the powdery coal which is sorted by the pretreatment comprehensive coal hopper and preheating the air; a coal powder fine-sorting device connected with the drying / preheating heat exchanger and used for finely sorting the powdery coal which is dried by the drying / preheating heat exchanger; and a low-nitrogen oxygen-rich coal powder combustor used for feeding the high-quality coal powder which is finelysorted by the coal powder fine-sorting device into the chain-type coal firing boiler grate. The online low-nitrogen oxygen-rich combined combustion energy-saving system has the advantages of simple structure, reasonable design and good use effect; can treat inferior coal on line to obtain the energy-saving modification technique with the optimum use effect while minimizing the minimum cost, can increase the utilization efficiency of inferior coal, reduce the waste of energy and reduce the use cost.

The invention relates to a building material, and especially relates to a building material for the outer thermal insulation and the inner thermal insulation of an exterior wall and the inner thermal insulation of an interior wall, wherein the building material has the phase-transition energy-storage functions. The building material comprises the following components, by weight, 6 parts of one or more of perlite, vitreous bead or volcano zeolite, 0.1-10 parts of a phase transition material, 5-30 parts of cement, glue powder, a carboxymethyl cellulose, and one or more of an alumina fiber, and an alumina silicate fiber or ground silica, wherein the weight of the glue powder accounts for 0.05-0.5% of the total weight of the thermal building material, the weight of the carboxymethyl cellulose accounts for 0.05-0.25% of the total weight of the thermal building material, and the weight of the one or more of the alumina fiber, the alumina silicate fiber or the ground silica accounts for 1-20% of the total weight of the thermal building material. The production cost of the material of the invention is low, and the material has the efficacies of energy saving and environmental protection by using the solar energy accumulation, so the material has a very substantial market prospect.

The invention relates to a nanometer fuel oil catalytic additive which has good dispersity and lubricity, can be used for assisting the fuel oil to combust fully and is environmentally-friendly. The granular nanometer fuel oil catalytic additive comprises the following components in parts by weight: 1-10% of nanometer catalyst, 90-99% of xylogen and 0.1-1% of water. A preparation method of the nanometer fuel oil catalytic additive comprises the following steps of: mixing the nanometer catalyst, the soluble xylogen and water in parts by weight, and prilling through a screw extruder. A liquid nanometer fuel oil catalytic additive comprises 100 parts by weight of solvent, 0.5-1 part of nanometer catalyst, and 5-10 parts of xylogen. A preparation method of the liquid state nanometer fuel oil catalytic additive comprises the following steps of: mixing the nanometer catalyst, the soluble xylogen, the solvent, polyethylene glycol and other addition agents in parts by weight, and uniformly stirring and mixing in a speed of 60 rpm (revolutions per minute) at 20 DEG C till the liquid state nanometer fuel oil catalytic additive is in a stable state.

The invention provides a drainage device of evaporator condensate water and a drainage method. The drainage device of the evaporator condensate water comprises a drainage pump, a controller connected with the drainage pump and a liquid level sensor used to detect the liquid level of the condensate water, wherein the liquid level sensor is connected with the controller, and after the controller detects that the liquid level of the condensate water reaches the high water level limit, the controller controls the drainage pump to stop draining water after the drainage pump works for a preset water discharge time t1. By adopting the technical scheme, the drainage pump stops work after the drainage pump works for the preset water discharge time t1, and the drainage device of the evaporator condensate water and the drainage method help to solve the problems that noise is large, energy is not observably saved and the like in the prior art.

The invention discloses a sandwich heat preservation composite shear wall prefabricated part and a manufacturing method thereof. The prefabricated part comprises an inner concrete wallboard, an outerconcrete wallboard, a heat preservation layer, a cavity and a connecting piece system; the connecting piece system penetrates through the cavity and the heat preservation layer and extends into the inner concrete wallboard and the outer concrete wallboard; and the connecting piece system comprises at least four independent truss connecting pieces and a plurality of rod-shaped connecting pieces with the lengths distributed in a wall thickness direction. The manufacturing method comprises the following steps of: binding the reinforcing mesh of the outer concrete wallboard, and mounting the connecting piece system on the reinforcing mesh; pouring outer wallboard concrete, laying a heat insulation board, and mounting a reinforcing mesh in the cavity; binding and mounting the reinforcing mesh of the inner concrete wallboard, pouring concrete, keeping the inner concrete wallboard still, and integrally overturning other components by 180 degrees; and moving the overturned components towards the inner concrete wallboard, pressing the end portions of all the connecting pieces into the inner concrete wallboard and making the end portions of all the connecting pieces fully contact with the inner concrete wallboard. All components in the connecting piece system are stressed definitely, and the non-combined stress mode of a sandwich heat preservation composite shear wall is achieved.

The invention provides a microgrid semi-physical testing circuit and method on the basis of a feedback type load simulator. A semi-physical way means that tested objects are material objects and load for testing is simulated. By means of a characteristic that the feedback type load simulator simulates constant-impedance load, nonlinear load and load of an asynchronous motor to substitute for actual constant-impedance load, nonlinear load and load of the asynchronous motor, dynamic characteristics and power quality of a main power source of an energy storage system of a microgrid can be verified and tested. During testing, power balance between a load characteristic simulation input end of the feedback type load simulator and a unity power factor feedback converter is maintained, and load characteristic simulation and energy feedback are realized. The problems of many load types, high cost, energy waste of feedback and reduction of long-time running adjustment accuracy when dynamic characteristics and power quality of a main power source of an energy storage system of a microgrid are verified and tested are solved.

The invention belongs to the technical field of equipment for tire production, and particularly relates to a tire bladder spray machine. The tire bladder spray machine comprises a spraying room, a horizontal mechanism arranged above the spraying room, a supporting hook mechanism arranged on the horizontal mechanism, a spray nozzle system arranged on one side of the spraying room and a filtering and exhausting system arranged on the other side of the spraying room. According to the technical scheme, the automatic spraying of the tire bladder is realized through the arrangement of the spraying room, the horizontal mechanism, the supporting hook mechanism, the spray nozzle system and the filtering and exhausting system, the supporting hook mechanism is used in hoisting a tire bladder, the surface of the tire bladder is prevented from contacting as contacting can cause damage, the spraying process is controlled in the relatively closed spraying room, the external environment cannot be influenced, and recycling of spraying oil is facilitated; and problems of the safety, the environmental protection and energy saving in the tire bladder spraying process are completely solved.

The present invention discloses a method, an apparatus and a system for backup of a link and a power supply. The method comprises the steps of: monitoring whether a POE (Power over Ethernet) transmission link between two devices is normal; in the case of monitoring that the POE transmission link is abnormal, switching the POE transmission link to a BPL (Broadband over Power Lines) communication link; and transmitting data between the two devices through the BPL communication link, thereby achieving backup of a data communication link. At the same time, in the case that a power supply of a power line is abnormal, the method executes the step of switching to a POE power supply mode, thereby achieving backup of the power supply. The method, the apparatus and the system of the present invention solve the problem that a traditional backup protection scheme does not facilitate cost saving and energy saving in the correlation technology, as a traditional backup protection system needs two sets of equipment and the system in the present invention only needs one set of equipment to achieve a backup function, cost is saved; in addition, the system is beneficial to energy saving and environmental protection; and the system is easy to implement and does not need to erect base facilities such as lines again, thereby saving cost.

The invention relates to the technical field of variable frequency air conditioner dehumidifying, in particular to a fan and compressor control method in a dehumidifying mode of a variable frequency air conditioner. The method comprises the following steps that step a, the dehumidifying requirement Q is calculated; and step b, a fan and a compressor are logically controlled according to the dehumidifying requirement Q. Compared with the prior art, the dehumidifying requirement is accurately calculated, so that the frequency of the compressor is periodically adjusted according to the dehumidifying requirement and the rotating speed of the fan is periodically adjusted by stages according to the dehumidifying requirement, the problems that when the dehumidifying requirement is low, the compressor is frequently started and stopped, the dehumidifying effect is bad and energy is not saved are solved, the dehumidifying control of the variable frequency air conditioner is more stable, the system operation is safer and more reliable, and the problem of high energy consumption in the past is solved.

The invention discloses an intelligent control device of a wind-solar hybrid power generation system and a control method thereof. The intelligent control device of the wind-solar hybrid power generation system of the present invention is mainly composed of a central processing controller, a communication receiving module, a signal conversion circuit, and a power consumption analysis module , inverter, battery capacity monitoring module and the first and second power supply detection modules, the central processing controller can comprehensively analyze real-time information such as weather information, the average power consumption of the load, the remaining power of the battery, and the compensation power of wind energy and light energy These groups of effective information, and through intelligent control methods, achieve the purpose of improving the power consumption efficiency of electric loads and reducing the number of charging and discharging of batteries, which can effectively improve the utilization efficiency and service life of the entire wind-solar hybrid power generation system, and solve household and industrial problems. Power consumption and energy saving of wind and solar hybrid power generation systems for domestic and municipal use.

The invention discloses a quantum dot light guide plate, a backlight module, and a liquid crystal television. The quantum dot light guide plate comprises a rectangular light guide plate, the rectangular light guide plate comprises a first side surface, a second side surface, a third side surface, a fourth side surface, and a light-outlet surface and a backlight surface arranged in an opposite manner, the light-outlet surface is provided with a quantum dot layer including red quantum dots and green quantum dots, the first side surface of the rectangular light guide plate is provided with at least a light source hole used for placing a blue light LED, and the backlight surface, the second side surface, the third side surface, and the fourth side surface are respectively provided with reflective layers. According to the quantum dot light guide plate, the backlight module, and the liquid crystal television, the color gamut range is greatly expanded, the color expression is good, and the energy-saving effect is good.

The invention provides a method for preparing superfine high-whiteness micro powder by removing impurities from granite fine-grained stone powder in a full-grained manner. The method comprises the following steps: (1) taking granite saw mud or stone powder as raw ore, firstly performing slag separation and classification on the raw ore to realize material scattering and removal of oversize particles, and then performing two-stage magnetic separation to remove mechanical iron impurities, mica and weak magnetic substances to obtain a non-magnetic substance; (2) performing fine classification onthe non-magnetic substance in the step (1) according to the particle size requirement to obtain a fine-grained product and a coarse-grained product; (3) performing high-field-intensity magnetic separation on the coarse and fine products respectively; and (4) preparing micro powder. According to the method, a pollution-free environment-friendly physical technology and a low-temperature superconducting magnetic separation technology are adopted, so that the technical problems of magnetic separation and iron removal of fine particles and energy conservation and consumption reduction of superfinepowder prepared by non-metal ore are solved, and large-scale consumption and high-value utilization after impurity removal and whitening of the granite saw mud and stone powder are realized. Comparedwith a traditional impurity removal and whitening process, the method has the advantages that the product whiteness is improved by 15 20 degrees, the yield is improved by 23 25%, and compared with a traditional process for preparing powder from ore, crushing and ore grinding are not needed.

The invention discloses an air conditioning system of an electric bus and the electric bus. The air conditioning system of the electric bus comprises an inverter compressor, a condenser and an evaporator. The inverter compressor is connected with the condenser and the evaporator through a four-way valve. The air conditioning system of the electric bus further comprises a defogging system and a battery heat exchange system, wherein the defogging system and the battery heat exchange system are both connected with the evaporator in parallel. The defogging system comprises a heat exchanger, a first solenoid valve and capillary tubes. One end of the heat exchanger is connected with an exhaust pipe between the inverter compressor and the four-way valve through the first solenoid valve, and the other end of the heat exchanger is connected with a pipe between a first electronic expansion valve and the evaporator through capillary tubes. According to the air conditioning system of the electricbus and the electric bus, the air conditioning cooling or heating of the whole bus, and the cooling or the preheating of a battery unit are realized with one air conditioning system, the heat pump warm air defogging function can be realized at the same time, and not only are the problems that extra cost is caused because two air conditioning systems are adopted, and the runtime of a whole bus is decreased because of the increased self weight solved, but also the problems that because warm air is generated in an electric heating manner, the efficiency is low, the energy consumption is high, andno energy saving is achieved are solved.

The invention discloses a heating system using biomass combustion. The heating system comprises a combustion furnace, a water storage tank and a heat exchanger; a water inlet end of the combustion furnace is connected with a water outlet of the water storage tank; a water inlet of the water storage tank is connected with a water outlet of the heat exchanger; and a water inlet of the heat exchanger is connected with a water outlet end of the combustion furnace. The heating system solves the problem of low gasification heat conversion rate of biomass and the problem of generation of tar and harmful gas due to insufficient biomass combustion.

The invention discloses a hydraulic control system and a method of a tension winch. The tension winch provides a loading function to a tested winch, and is connected with the tested winch through a cable. The tension winch can recover and release a rope, and the speed automatically follows up the tested winch; and the tension of the cable is kept near the user set tension. A hydraulic system of the tension winch comprises a high-tension control loop, a low-tension control loop and a cable arrangement control loop. The hydraulic system adopts the low-tension control loop when set tension is lower, so that the low-tension control precision and the highest speed requirement are guaranteed; the high-tension control loop is adopted when the set tension is higher; a variable pump is controlled to automatically adapt to the speed of the tested winch so as to achieve the effect of energy conservation; and the cable arrangement control loop is associated with a proximity switch of a cable arrangement mechanism to achieve a cable arrangement effect.

An interactive energy-saving electric power metering device for a communication machine room comprises a housing, an ARM controller, a storage module, a sensor system, an electric power metering module, a relay module, and a transmission module. The ARM controller is connected to the storage module, the sensor system, the electric power metering module, the relay module, and the transmission module. The sensor system is connected to an air-conditioning control panel and an air-conditioning transformer. The electric power metering module is connected to a current loop. Specifically, the sensor system comprises an air-conditioning temperature / humidity collector, an outdoor temperature / humidity collector, and a sensor lightning protection circuit. The interactive energy-saving electric power metering device for a communication machine room solves the problem of electric power subdivision metering for an operator communication machine room, and is capable of collecting and monitoring the operating and power consumption conditions of equipment in the machine room.

The invention discloses a full-automatic crop straw powder preparation system. The full-automatic crop straw powder preparation system consists of a cutting dust remover, a cutting machine, a storage silo, a cutting mill, a powder concentrator, a cyclone collector with an unloader, a circulating fan with a recirculating air valve, a dust remover with a dust remover fan valve and a dust removal fan which are connected in sequence. Full-automatic operation of cutting straws, crushing, grading, collecting, dedusting and the like are realized, plant straws are placed in an inlet of the cutting machine, straw powder which meets the requirement can be obtained at an outlet of cyclone collecting equipment, the dedusting function is realized by system dedusting equipment, and the thermal pollution problem caused to an environment in the powder preparation process is solved.