112 results about "Electricity conservation" patented technology

The invention provides an intelligent aeration system and a control method, and the system comprises a multi-parameter monitoring module which collects parameters such as water depth, pressure, temperature, dissolved oxygen, inlet water ammonia nitrogen, chemical oxygen demand, and mixed liquid suspended solid concentration in real time; the data analysis and preprocessing module adopts a sliding window algorithm to carry out data cleaning and anomaly detection; the oxygen supply demand prediction module establishes an oxygen demand prediction model based on machine learning, and combines theoretical calculation and deep learning prediction; the multi-target intelligent control module adopts a reinforcement learning algorithm, establishes a Markov decision process model, and optimizes the processing effect and energy consumption at the same time; the execution control module is used for accurately adjusting the rotating speed of a fan, the opening degree of a valve and the running state of an aerator; and the system collaborative optimization module realizes linkage control of the aeration system and the carbon source adding system. The system has the functions of self-adaptive parameter adjustment, fault diagnosis and self-recovery, the DO control precision reaches 95% or above, the daily average electricity is saved by 9.7%, the NH4-N of effluent is reduced by 25%, and the annual comprehensive benefit exceeds 500,000 yuan.

The invention discloses an elevator control system with an electricity-saving quantity calculation function, which relates to the field of elevator control and comprises an energy-saving control module, a first electric energy sampling module, a second electric energy sampling module, a third electric energy sampling module, a fourth electric energy sampling module, a fifth electric energy sampling module, a battery module, a conversion module and an auxiliary power supply module, the mains supply and the battery module are used for supplying power to the auxiliary power supply module, the auxiliary power supply module supplies power to the energy-saving control module and the conversion module, the alternating-current side of the conversion module is connected with the second electric energy sampling module connected with the mains supply, and the direct-current side of the conversion module is connected with the battery module; the third electric energy sampling module is arranged between the joint of the conversion module and the battery module and the battery module, the fifth electric energy sampling module is arranged between the joint of the conversion module and the battery module and each elevator, and the fourth electric energy sampling module is arranged between each elevator and the mains supply; the first electric energy sampling module is arranged between the auxiliary power supply module and the commercial power. According to the invention, the saved total electric quantity can be calculated.

The invention relates to the technical field of electric energy meters, in particular to an intelligent electric energy meter with a power saving function. A communication module; the power supply module generates power according to the temperature difference between the surface temperature of the electric energy meter chip and the air temperature in the electric energy meter so as to provide electric energy for the communication module; and the control module is used for respectively adjusting the monitoring sampling mode of the detection module from a low-frequency sampling mode to a low-frequency full-frequency composite sampling mode according to the fluctuation ratio of the electrical load, and adjusting the data transmission mode of the communication module from a periodic transmission mode to an encrypted transmission mode based on the power generation voltage ripple of the power supply module. The signal transmission frequency band of the communication module is adjusted to be a low frequency band; wherein the alternating transmission frequency of single transmission of the periodic transmission mode is determined according to the average power generation voltage of the power supply module. The working stability of the electric energy meter is improved.

The invention belongs to the crossing field of artificial intelligence and industrial automation, particularly relates to an aeration fan frequency conversion group control energy-saving method based on an intelligent optimization algorithm, and aims to solve the problems of high energy consumption, response lag and large equipment loss of a traditional control mode. According to the method, parameters such as dissolved oxygen, flow and pressure are collected in real time, a nonlinear optimization model with minimum energy consumption, accurate oxygen supply and minimum start and stop as multiple targets is constructed, an optimal rotating speed distribution scheme is solved online by adopting an improved particle swarm algorithm, and a smooth slope instruction output and closed-loop feedback correction mechanism is combined, so that the optimal rotating speed distribution scheme is obtained. And dynamic self-adaptive adjustment of fan group control is realized. The energy-saving efficiency is remarkably improved by 18%-25%, the annual electricity is saved by more than 800000 kilowatt-hour, meanwhile, the load unevenness is reduced to below 8%, fan start and stop is reduced by 60%, the service life of equipment is prolonged by 2-3 years, hardware does not need to be newly added, the deployment period is short, investment recovery is fast, and the method is successfully applied to multiple sewage plants.

The invention discloses an intelligent regulation and control system for heat supply and power saving of a heat pump. The system comprises a heat pump body control optimization module, a heat pump kernel regulation optimization module, a heat source dynamic switching module and a heat supply intelligent power saving module. The invention belongs to the technical field of heat pump power-saving intelligent regulation and control, a variable-capacity compression control module accurately regulates the load of a compressor through variable-capacity control of a bimodal slide valve, and more efficient energy utilization is achieved; the heat pump working condition optimization module adopts a multi-target dynamic optimization algorithm, comprehensively considers factors such as system efficiency, service life and noise, and realizes precise adjustment of working conditions; the multi-heat-source dynamic switching module intelligently selects an optimal heat source and realizes non-inductive switching through a game decision algorithm in combination with heat source entropy efficiency, an equipment health index and energy consumption cost, so that pressure fluctuation and system instability in a heat source switching process are reduced; the working efficiency of the heat pump system is effectively improved, the energy consumption is reduced, and the maintenance cost and the failure rate are reduced.

The invention discloses an intelligent power saver, and relates to the technical field of power saving equipment. The intelligent power saver comprises a multi-phase winding transformer, a protection system, a deep learning optimization control system, a modular APF system, a multi-dimensional data display system, a transmission system, an energy management system and an energy optimization scheduling system. The intelligent power saver adopts an advanced three-phase electromagnetic balance technology and a deep learning optimization control system, can effectively improve the quality of electric energy, realizes the functions of harmonic suppression, three-phase balance, voltage stabilization and the like, uses electric equipment to operate in a better electric energy environment, and reduces the energy consumption of the equipment, thereby achieving a remarkable power saving effect, and being suitable for popularization and application. The modular APF system can effectively restrain harmonic current in a power grid, the total harmonic distortion rate of the power grid is reduced, and the influence of zero-sequence current on the power grid is reduced.

The invention relates to the technical field of electrical variable measurement, and discloses an energy storage battery voltage sampling method and system, and the method comprises the steps: carrying out the unified numbering of a plurality of cells connected in series, and designing a mixed sampling structure which comprises a sliding combination sampling channel of two adjacent batteries and a block sampling channel of three adjacent batteries; according to the mapping relation between the sampling channel and the battery cell, constructing a sparse matrix representing the relevance between the combined voltage and the single voltage; based on the pseudo inverse operation of the sparse matrix, calculating the single voltage of each battery cell; combined voltage is periodically acquired through the analog front-end chip, and the processor calculates and uploads a single voltage result in real time. The problems of AFE sampling voltage lower limit limitation, monomer monitoring deficiency and low voltage precision insufficiency in the prior art are solved, and the purposes of sampling monomer voltage with high precision, breaking through hardware limitation and improving system reliability are achieved.

The invention provides a virtual power plant distributed load response prediction method based on deep federated learning, and the method comprises the steps: constructing a tradeoff function of power-saving income and equipment start-stop loss according to the schedulable load range of a virtual power plant, defining the loss cost as the sum of equipment restart energy consumption and maintenance cost, and the income as the sum of electricity price difference and virtual power plant subsidy, optimizing the trade-off strategy by adopting a reinforcement learning algorithm to obtain a preliminary incentive distribution scheme; issuing the optimized excitation scheme parameters to each industrial enterprise node participating in the virtual power plant, collecting and judging whether enterprise response willingness feedback meets a preset participation rate threshold value or not, and obtaining a response willingness evaluation result; and monitoring the supply and demand balance state of the virtual power plant in real time, obtaining a power grid load demand curve and enterprise actual response data, predicting a short-term supply and demand gap, judging whether an excitation mechanism needs to be adjusted or not, if so, returning to re-optimize excitation distribution, and if not, generating a supply and demand balance scheduling instruction.

The invention belongs to the technical field of amorphous alloy three-dimensional roll iron core power saving, and discloses an intelligent power-saving protection method for an amorphous alloy three-dimensional roll iron core. According to the method, the current harmonic distortion rate, the magnetic field non-uniform coefficient and the temperature gradient of the amorphous alloy three-dimensional roll iron core are collected, then the relevance model of the operation state parameters and the electric energy loss indexes is constructed, the equipment operation state can be comprehensively reflected, the relation between the parameters and the loss can be accurately revealed, loss prediction and energy-saving optimization are achieved, and the method is suitable for popularization and application. And equipment maintenance and performance improvement can be assisted. According to the invention, power-saving demand analysis is carried out in different regions, the power-saving potential regions are identified, dynamic regulation and control are carried out in a targeted manner, power utilization characteristics of different regions can be accurately positioned, blindness of a uniform energy-saving strategy is avoided, accurate resource putting is realized, and the effectiveness of energy-saving measures is improved; the strategy can be adjusted in real time according to the power utilization change of each region, the energy utilization efficiency is improved, and the overall energy consumption is reduced.

The invention relates to the technical field of power distribution cabinet sets, in particular to an intelligent moisture-proof power distribution cabinet set which comprises a cabinet body shell and a sealing door body installed on the front side face of the cabinet body shell, a condensation type dehumidifier located below the sealing door body is installed on the front side face of the cabinet body shell, and a fixing plate is fixed in the cabinet body shell. A fixing plate is arranged in the cabinet body shell, an installation guide rail frame used for installing electrical elements is installed above the fixing plate, a multi-stage moisture absorption assembly is connected in the cabinet body shell below the fixing plate, a flow guide pipe used for conveying air for ventilation and heat dissipation is installed in the rear portion of the fixing plate in a penetrating mode, and a temperature sensor is fixed to the inner wall of the upper portion of the cabinet body shell. According to the intelligent moisture-proof power distribution cabinet group, moisture in air can be further removed, so that the moisture can be prevented from entering the power distribution cabinet group, the moisture-proof and waterproof performance of the whole power distribution cabinet group can be improved, the consumption of electric energy can be reduced, and the intelligent power distribution cabinet group can well save electricity and energy when being used for an intelligent power grid.

The present application relates to the technical field of heat pump, and provides a control method and device of a solar heat pump unit and the solar heat pump unit, the solar heat pump unit comprises a water tank, a heat pump module and a solar module for supplying heat to the water tank, the control method of the solar heat pump unit comprises: obtaining a setting mode of the solar heat pump unit; controlling the heat pump module and / or the solar module to start operation according to the setting mode of the solar heat pump unit; wherein the solar heat pump unit has multiple setting modes, and in the multiple setting modes, the degree of user's demand for hot water in the water tank is different. The present application combines the heat pump and the solar energy as a heat source, has multiple operating modes, can achieve the purpose of saving electricity, and can match the corresponding operating mode according to the setting demand of the user, has a wide range of applications, thereby effectively improving the user experience.

The invention discloses a novel power saving system, which relates to the technical field of power saving, and is characterized by comprising a special multi-winding transformer T1, power electronic equipment and a capacitor, the special multi-winding transformer T1 is electrically connected with the power electronic equipment and the capacitor; the specially-made multi-winding transformer T1 comprises two windings; the secondary side of one winding is electrically connected with the power electronic equipment, provides a channel for the control voltage and is used for controlling the output voltage; and the other winding is electrically connected with the capacitor to provide a channel for controlling the impedance network to form the impedance network to be connected with the load in parallel. The technical problem to be solved by the invention is to provide a novel power-saving system, which combines an electromagnetic balance principle and a power electronic technology, realizes the function of simultaneously controlling output voltage and load impedance network balance in real time through a specially-made multi-winding transformer, further improves the energy-saving space, and also solves the problem of power interference of a power supply at the same time.

The invention discloses an industrial power-saving system and method based on multi-frequency-band conflict avoidance and energy feedback, and relates to the technical field of industrial power-saving systems.The method comprises the steps that a power grid fundamental wave synchronizing signal is obtained through a zero-cross detection circuit, an integrating circuit is input to generate a slope time-base signal, and the time-base signal is used for controlling the triggering moment of a high-frequency modulation pulse; the method comprises the following steps: modulating a pulse to intensively act on wave crest and wave trough areas of an AC voltage waveform, exciting an LC resonant circuit connected to a DC side of an electric energy conversion device by the modulating pulse to enable the LC resonant circuit to enter a quasi-resonant state in a phase interval, and actively releasing energy to a load by an energy storage capacitor; the system is controlled to be switched on preferentially, power supply competition for a main power supply is formed, main current output is correspondingly reduced on the premise that load power is not changed, energy conservation and consumption reduction are achieved, and the system further improves electric energy quality and operation stability through unified clock synchronization, phase out-of-sequence control, energy local circulation and impedance frequency band avoidance.

The invention provides a control method for realizing waste heat recovery of a circular cooler, which comprises the following steps of: calculating cooling air quantity required by a high-temperature section according to a waste gas temperature set value of the high-temperature section, a heat calculation value of a sintered ore block at a 1 # monitoring point, a heat calculation value of the sintered ore block at a 2 # monitoring point and a waste gas temperature of a low-temperature section; according to the waste gas temperature set value of the medium-temperature section, the heat calculation value of the sinter blocks at the second monitoring point and the heat calculation value of the sinter blocks at the third monitoring point, the cooling air volume needed by the medium-temperature section is calculated; and according to the heat calculation value of the sinter blocks at the 3 # monitoring point and the set average ore temperature and the heat set value of the sinter blocks at the 4 # monitoring point, the cooling air volume required by the low-temperature section is calculated. According to the system, full utilization of waste heat of the high-temperature section, the medium-temperature section and the low-temperature section and the normal cooling effect of the sinter in the circular cooler are achieved, and the triple purposes of controllable sinter cooling, waste heat recycling and frequency conversion electricity saving are achieved.

The utility model relates to the technical field of power-saving cabinets, and discloses a voltage-stabilizing power-saving cabinet with electric energy recovery, compensation and temperature control functions, which comprises a body, an exhaust pipe penetrates through the outer wall of the body, an electromagnetic valve is arranged on the inner wall of the exhaust pipe, and a movable groove is formed in the outer wall of one end, provided with the exhaust pipe, of the body. The inner wall of the movable groove is rotationally connected with a wind shield, and a resistor is fixedly assembled at the end, away from the wind shield, of the body. Through arrangement of the body, the first wire, the second wire, the resistor, the isolation layer, the heating device, the controller and the temperature sensor, the resistance of a copper pipe in the resistor is reduced when the temperature is reduced in the operation process of the power-saving cabinet, so that redundant current in a circuit is communicated with the heating device, the heating effect is achieved, and the service life of the power-saving cabinet is prolonged. And the current is fed into the operation area in the body through the air feeding pipe, so that the effect of recycling the current is achieved, and the energy utilization rate of the power-saving cabinet is improved.

The utility model relates to the technical field of electrical connection, in particular to an electricity-saving and energy-saving terminal electrical comprehensive treatment protection module, which comprises a central control module used for data processing and circuit integral control, and an enhanced active power filter module used for adjusting three-phase imbalance, the bus capacitor module is used for balancing current of each phase through charging and discharging, and the enhanced active power filter module comprises a sampling module used for detecting voltage and current of a system side in real time; and the compensating current generating circuit is used for controlling the on-off of the three-phase circuit to absorb energy from the power grid and mutually convert the energy among the three-phase circuit so as to enable the three-phase current to reach a balanced state. According to the utility model, real-time detection of system side current can be carried out, on-off of the three-phase circuit is controlled, energy is absorbed from a power grid and is mutually converted among the three-phase circuit, so that three-phase current reaches a balance state, and the like, thereby eliminating total harmonic distortion of the power grid with low harmonic, compensating reactive power, improving power factor of the power grid, and reducing power consumption. And an energy-saving node effect is achieved.

The utility model discloses a power-saving card, which comprises an accommodating module and a light wave sensing component. Therefore, the power-saving card can be arranged on the switch, surge current and pulse voltage generated at the moment of circuit connection when the switch is started can be suppressed by using the light wave induction assembly, extra electric energy loss caused by overlarge fluctuation of current waveform is further reduced, and the current can be effectively applied by an electric appliance system connected with the rear end of the switch. And the effect of saving electric energy is achieved.

The invention relates to a low-temperature control method and a battery pack, the battery pack comprises a shell, a battery pack and a control panel, the battery pack and the control panel are mounted in the shell, a plurality of cells are connected in series and / or in parallel to form the battery pack, and the battery pack is electrically connected with the control panel; the battery pack further comprises a temperature sensing unit, a heating unit and a temperature control unit which are connected to the control panel, the heating unit is installed on the periphery of the battery cell, the periphery of the battery pack is defined as an outer contour, and at least part of the heating unit is attached to the outer contour; and the heating unit receives the low-temperature heating signal and directly transmits heat energy to the battery cell. The heating unit is arranged in the battery pack to directly heat the battery cells, so that the adaptability of the battery pack in a low-temperature environment is improved, and the heating efficiency is high; meanwhile, the heating pad of the heating unit is wound on the periphery of each battery cell, does not occupy extra space, has the performance of thermal effect, vibration reduction, insulation and the like, is simple in assembly mode and does not need to be welded for many times.

The invention relates to the technical field of switch cabinet pressure relief, in particular to an emergency pressure relief intelligent lock switch cabinet. The cabinet comprises a cabinet body and a pressure relief cover plate arranged at the top of the cabinet body, and further comprises a buffer flow guide mechanism and a gas pre-collection mechanism, and the gas pre-collection mechanism is used for blowing pre-collected gas to the buffer flow guide mechanism when high pressure occurs in the cabinet body; the buffer flow guide mechanism is located in a lower buffer opening and an upper buffer opening which are formed in the side wall of the cabinet body; in the emergency pressure relief intelligent lock switch cabinet, the first buffer flow guide piece in the lower buffer port and the second buffer flow guide piece in the upper buffer port can be automatically opened when high voltage occurs, on one hand, the phenomenon of local high voltage in the cabinet body is reduced, and on the other hand, the safety of the switch cabinet is improved. The first buffer flow guide part and the second buffer flow guide part can be matched with gas after being opened to guide the gas in the cabinet body, so that the frequency of fault shutdown is reduced, and the purpose of saving electricity is achieved.

The application relates to the technical field of pipe extrusion, in particular to a power-saving furnace for seven-hole plum-blossom pipe extrusion forming with adjustable extrusion pipes, which comprises an extrusion furnace for melting materials and a pipe die set coaxially connected to the discharge end of the extrusion furnace, a storage rack is arranged outside the discharge end of the extrusion furnace, and a plurality of pipe die sets with different specifications are arranged for staggered sliding switching; the pipe die set is coaxially composed of an extrusion pipe, a pipe sleeve die and a plurality of pipe hole dies from outside to inside, a central shaft die is sleeved on the central shaft of the extrusion pipe, and a pipe material channel is formed between the extrusion pipe and the plurality of pipe hole dies and the central shaft die; and the plurality of pipe die sets are slidingly clamped on the storage shaft. The application can complete the quick disassembly of old dies and the accurate positioning and installation of new dies by suspending a plurality of pipe die sets with different specifications on the storage rack in a staggered mode; the technical effect that only the screw extrusion function needs to be stopped when plum-blossom pipes with different aperture specifications are replaced, and the extrusion furnace heating function does not need to be stopped is achieved; and the power-saving benefit is realized.

The application relates to the field of smart home, and discloses a household electrical appliance intelligent switch which comprises a smart electric meter module, a smart socket and switch module, a central control unit module, a user interface module, a communication module, a sensor module and a communication module. The household electrical appliance intelligent switch system provided by the application realizes intelligent control and power saving management of household electrical appliances through the cooperative work of the smart electric meter, the smart socket and switch, the sensor module, the central control unit, the user interface, the communication module and the analysis module. The system can automatically adjust the running time and power of the electrical appliances according to real-time electricity price, environmental parameters and user behavior, improve the comfort and convenience of family life, and optimize energy consumption and reduce costs.

The present application relates to the technical field of waste heat recycling, in particular to a method for converting industrial waste heat into low-pressure steam to drive ammonia adsorption refrigeration, comprising the following steps: Step 1: industrial waste heat collection and pretreatment, S1.1 waste heat classification collection: for different types of waste heat (slag waste heat, high-temperature flue gas, low-pressure steam, engine exhaust gas) in industrial production, special heat exchange devices are used for classification collection, wherein slag waste heat is recovered through indirect heat exchange devices; the present application efficiently recovers industrial low-grade waste heat and converts it into stable low-pressure steam of 0.3 MPa and above, and the waste heat utilization rate is increased to more than 85%; the refrigeration process does not consume high-grade energy, the main machine operates at zero cost, the comprehensive energy-saving rate is more than 77.8%, the annual electricity saving can reach 140,000 degrees per set, natural working substance ammonia is used as refrigerant, ammonia can be cyclically decomposed and compounded under natural conditions, and there is no greenhouse gas emission; fluorine-containing refrigerants such as freon are abandoned, atmospheric pollution is avoided from the source, and the green and low-carbon development trend is met.

The present invention relates to the field of energy conservation and environmental protection, and specifically to a converter pure dry dust removal system that integrates high-constant temperature filtration and purification with waste heat recovery. It includes a vaporization cooling flue, a high-temperature constant temperature pulse jet ceramic filter tube dust removal device, a waste heat recovery system, and an explosion venting and escaped flue gas capture and treatment system. A pure dry dust removal process is adopted, which makes the consumption of water and steam "0"; no water is added during the full dry dust removal process, the temperature of the recovered coal gas is low, the air volume of the primary fan operating condition is reduced, the fan consumes less power, and the water, electricity and environmental protection benefits are significant. During the converter gas cooling process, there is no direct contact with water, the coal gas does not contain water, CO loss is reduced, the coal gas recovery volume is large, it is convenient for transportation and use, and the coal gas quality is high.

The invention provides an energy consumption side electric power indirect carbon emission reduction analysis method and system. The method comprises the steps that multiple types of users of energy consumption side electricity utilization in a to-be-analyzed area are acquired; based on the year-on-year acceleration of the electricity consumption of the electricity-saving users in the class of users and the year-on-year acceleration of the electricity consumption of the electricity-saving users in the historical same period and the electricity consumption of the non-electricity-saving users in the class of users, calculating the total electricity Based on the electricity consumption of the second-class users and the electricity consumption benchmark value, calculating the total electricity saving amount of the second-class users; calculating indirect carbon emission reduction in the region by combining the total power saving amount, the power supply amount of green power in the region and the power carbon emission coefficient; the indirect carbon emission reduction amount is further quantified by quantifying the saved electricity quantity and combining the electricity carbon emission coefficient, the technical blank that the saved electricity quantity cannot be quantitatively calculated is filled, the indirect carbon emission calculation method for the energy consumption side electricity users is provided, and a basis is provided for social carbon emission reduction amount evaluation and carbon reduction path planning.

The application provides an oil-immersed transformer heat recovery process based on a magnetic suspension heat pump system, which comprises an insulating oil circulation loop, an oil-free magnetic suspension heat pump system, a modular heat energy recycling loop and a double-PLC control system; the oil-free magnetic suspension heat pump system comprises an oil-free magnetic suspension compressor, a multiple metal isolation and leakage detectable heat exchanger, an electronic expansion valve, a pipeline and a drying structure; heat recovery is realized through the following steps, direct emission of a large amount of waste heat to the atmosphere is avoided, the local exacerbation problem of urban "heat island effect" is relieved, the operation noise of the oil-free magnetic suspension compressor is far lower than that of a traditional large fan, on one hand, indirect power generation carbon emission is reduced through power saving, on the other hand, fossil fuel boiler is replaced by heat production, combustion carbon emission is directly reduced, meanwhile, the service life of the transformer is prolonged, and the hidden carbon emission in the equipment manufacturing and replacement process is reduced.

The utility model discloses an energy-saving carbon-reducing contract energy management air conditioner room power-saving device which comprises a machine room body, a filter plate is fixedly installed on one side of the machine room body, a shell is fixedly connected to one side of the machine room body and located at the top of the filter plate, and an electric push rod is fixedly connected to the right side of an inner cavity of the shell. The left side of the electric push rod is fixedly connected with a push plate, the bottom of the push plate is fixedly connected with a fixing rod, and the bottom of the fixing rod penetrates through the outer portion of the shell to be fixedly connected with a cleaning shell. The fixed rod moves to drive the cleaning shell and the cleaning brush to move, so that dust, fluff and impurities adsorbed on the surface of the filter plate can be conveniently cleaned, and the situation that the ventilation efficiency is affected due to the fact that the impurities are adsorbed on the surface of the filter plate is avoided.

The invention relates to an air plate heat exchanger, an air conditioning system and a control mode, and the air plate heat exchanger adjusts a refrigerant flow channel into a single flow channel, a double flow channel and a multi-flow channel according to factors such as a use object and heat exchange capability by controlling a flow mode of a plate heat exchanger channel. Various types of refrigerants circulate in the liquid flow channel, water, ethylene glycol and the like can circulate in the liquid flow channel, and the air conditioning system carrying the air plate type heat exchanger can be a household heating ventilation air conditioning system, a multi-split composite air conditioning system, a heat pump air conditioning system, a machine room precision air conditioner, a machine room precision fluorine pump air conditioner, a fluorine pump all-in-one machine air conditioning system and a phase change multi-split air conditioning system. A compression refrigeration mode, a composite mode and a fluorine pump mode can be switched according to the outdoor temperature and the indoor load. A water-free air cooling mode is designed in a water-deficient area, an evaporation and condensation mode is designed in a water-resource-sufficient area, and meanwhile, the water-free air cooling mode and the evaporation and condensation mode are applied to various data center cooling systems, so that natural cold sources are fully utilized, and energy saving and electricity saving of the data center are achieved.

The invention discloses a power utilization safety monitoring and power saving control method and platform. The method comprises the following steps: collecting power utilization data, identifying equipment access, and generating a risk grading result and a control access strategy according to an equipment portrait; triggering gating parameters are dynamically adjusted based on risk grading, triggering type capture is executed on the data, and a tamper-proof evidence chain is generated; the access strategy is read, and a power saving instruction is generated and issued in combination with a safety constraint condition dynamically generated based on the contact health degree; after the action is executed, an expected response reference trajectory in a fault-free state is constructed, a residual error between actual feedback and the expected trajectory is calculated to execute secondary risk verification, and a closed-loop evaluation result is output; and the model and constraint are updated through end-side cloud collaboratively. According to the method, the problem that the control action masks the weak risk is solved through the expected response residual analysis, the dynamic tightening of the safety boundary along with the equipment aging is realized by using the contact health degree model, and the probability that the power-saving control induces the secondary risk is reduced.

The invention discloses an efficient power-saving optimizer control method and device suitable for a power grid and a medium, and relates to the technical field of collaborative optimization control, and the method comprises the steps: obtaining the operation characteristic data of the power grid, and carrying out the matching of the operation characteristic data with a preset typical scene library; an electricity-saving optimizer of each regional power grid receives and formulates a local control strategy draft based on the historical marginal electricity-carbon signal and the new marginal electricity-carbon signal; the local control strategy draft is injected into the high-fidelity digital twinborn body for simulation check, and a check conclusion is generated; the power-saving optimizer of each regional power grid judges whether the instruction is a safe passing instruction or not according to the check conclusion: if yes, a local control strategy draft is executed; and if not, correcting the local control strategy draft and returning to the high-fidelity digital twin for re-checking. According to the invention, through carrying out cosine similarity matching on the power grid operation characteristic data and the preset typical scene library, cooperative utilization of historical regulation and control experience and operation mechanism rules is realized.

The utility model relates to the technical field of plastic extruders, in particular to a novel power-saving wet and dry heat conduction oil plastic plasticizing extruder which comprises an extruder body, a heating structure is arranged on the extruder body and comprises a plurality of heat exchange sleeves and baffles, the extruder body is fixedly connected with the heat exchange sleeves, fixing structures are arranged on the heat exchange sleeves, and the baffles are arranged on the baffles. Two baffles are clamped to the heat exchange sleeve, a plurality of short pipes are fixedly connected to the heat exchange sleeve, one ends of the short pipes located on one side of the heat exchange sleeve are fixedly connected with the same second transverse pipe, one ends of the short pipes located on the other side of the heat exchange sleeve are fixedly connected with the same first transverse pipe, and an oil inlet pipe is fixedly connected to the first transverse pipe. An extrusion screw rod is mounted in the extruder body; when oil dirt is formed in the heat exchange sleeve, the baffle can be rapidly detached from the heat exchange sleeve, then the oil dirt in the heat exchange sleeve can be cleaned, the situation that the heat conduction efficiency is reduced by the oil dirt is avoided, and therefore the heating effect is effectively guaranteed.