110results about How to "Avoid wasting energy" patented technology

The invention provides a solenoid valve precise control method based on flow dynamic adjustment, which comprises the following steps: acquiring working parameters in real time through a sensor, obtaining real-time working condition data of a solenoid valve, and carrying out noise reduction and normalization preprocessing on the data to generate a comprehensive working condition feature vector; and on the basis of the feature vectors and the target output parameters, flow, temperature and outlet pressure values of future working conditions are calculated through a prediction algorithm. And in combination with the calculated future working condition and real-time working condition data, an optimized control signal is generated and used for dynamically adjusting the opening degree of the electromagnetic valve, and initial dynamic control over the flow and the pressure is achieved. Outlet pressure and flow are monitored in real time through high-frequency sampling, the deviation between actual output and a target value is calculated, and a control signal is corrected based on the deviation. The electromagnetic valve is suitable for high-precision flow and pressure regulation under complex working conditions, has the characteristics of quick response and high regulation precision, and can be widely applied to the fields of environmental protection, industrial automation and fluid control.

The invention discloses a large-scale outdoor sound box, and relates to the technical field of outdoor sound boxes, the large-scale outdoor sound box comprises an outdoor sound box and a sound outlet grating, the sound outlet grating is fixedly connected to the outdoor sound box, the outdoor sound box is provided with a rain shielding assembly, the rain shielding assembly comprises a fixing rod, and the fixing rod is fixedly connected to the top surface of the outdoor sound box; the waterproof rolling cloth shields the side, away from the outdoor sound box, of the sound outlet grating, the sleeve box and the waterproof rolling cloth form a closed cavity, the sound outlet grating is isolated from the external rainstorm environment, and the situation that under continuous impact and invasion of rainwater in the rainstorm environment, the sound outlet grating will become a channel for rainwater to permeate into the outdoor sound box is avoided; the outdoor sound box is simple in structure and convenient to use, ensures use safety of equipment of key components such as a loudspeaker and a circuit in the outdoor sound box, ensures normal work of the outdoor sound box, can avoid the problems that metal components rust and plastic components age due to the fact that rainwater makes contact with the sound outlet grating and the components in the outdoor sound box, and ensures the service life of the outdoor sound box.

The invention discloses a laser obstacle clearance remote control system for remote obstacle clearance of an overhead line, relates to the technical field of laser obstacle clearance, and aims to solve the problem that laser obstacle clearance equipment cannot accurately acquire obstacles. Through integration and optimization of the steps of image processing, dynamic adjustment, batch normalization and the like, the processing efficiency of the image data can be remarkably improved, the laser obstacle clearing equipment can respond to and recognize obstacles more quickly, obstacle features in the optimized image data and an obstacle model are trained and calculated by using a computer learning algorithm, and the obstacle recognition efficiency is improved. And the adaptive capability and robustness of the system can be greatly improved. By continuously learning new obstacle features, the system can gradually improve the recognition performance, calculate the obstacle features and the operation mode through a particle filtering method, and adjust the direction of the laser beam in real time according to the calculation result, thereby ensuring the accurate tracking of the obstacle position.

The invention relates to a forming die, and particularly discloses a rare earth permanent magnet powder compression forming die which comprises an upper die assembly, a lower die assembly and a filling mechanism, and the lower die assembly comprises a bearing disc, a driving mechanism and a lower die body; a plurality of material returning holes are formed in the bearing disc; the driving mechanism is in transmission connection with the bearing disc; the lower die body is provided with forming holes with the same number as the material returning holes, the lower die body is rotationally fixed above the bearing disc, a one-way transmission mechanism is arranged between the lower die body and the bearing disc, and the bearing disc and the lower die body rotate relatively, so that the material returning holes and the forming holes are distributed oppositely or in a staggered mode; a pressing head is arranged in the upper die assembly, and the filling mechanism is composed of a filling head and a feeding pipe. Pressure is applied to pressing and demolding of the green body through the upper mold assembly, an ejection mechanism and a power device do not need to be independently arranged for demolding, and the overall structure of the profiling equipment is simplified. And an upper-inlet and lower-outlet mode is adopted for work, contact between the blank and the magnetic powder is avoided, the surface cleaning work of the blank is omitted, the machining efficiency is improved, and the process cost is saved.

The invention provides an intelligent charging method and system for a charging and swapping cabinet, and the method comprises the steps: extracting the opening frequency of the charging and swapping cabinet and the swapping frequency of each battery pack from the historical swapping record of the charging and swapping cabinet, and determining the electricity load of the charging and swapping cabinet through the opening frequency and the charging performance in each battery state. Determining the charging priority of each battery pack according to the electricity load and the battery replacement frequency of each battery pack; extracting load characteristics of the charging and swapping cabinet from all the battery states based on a mapping relation among the battery packs in the charging and swapping cabinet, and determining a load balance degree of charging power distribution in the charging and swapping cabinet according to the load characteristics and the multi-path charging power; and according to the load balance degree and the charging priority of each battery pack, dynamically adjusting the charging power of each battery pack in the charging and swapping cabinet in the subsequent charging process. Based on the scheme, the power distribution efficiency in the charging process can be improved.

The utility model discloses a natural gas decompression power generation and clean energy cascade heating fuel gas system which comprises a first heat exchanger, a fuel gas generator set, a vaporizer and a shallow geothermal energy system which are sequentially communicated through a loop pipeline. A buried pipe of the shallow geothermal energy system is buried underground, and the buried pipe and a second heat exchanger form a circulating pipeline so as to extract underground soil heat into the second heat exchanger; after being input into the first heat exchanger for heat exchange, the secondary high-pressure natural gas is output to the gas generator set for decompression power generation, the vaporizer can conduct primary heating and heat compensation on the decompressed natural gas, the second heat exchanger conducts heat exchange on the heated natural gas, and after heat exchange, the secondary high-pressure natural gas enters the first heat exchanger for secondary heat exchange and then is output. According to the technical scheme, gradient heating and reheating of the natural gas are achieved, energy waste during pressure reduction of the natural gas is avoided, and the system is safe, environmentally friendly, energy-saving, efficient and capable of meeting the heating requirement of the natural gas.

The invention relates to the technical field of industrial manufacturing, and discloses an efficient cooling and shaping system for core rod production and processing, comprising: a core rod cooling path design module for designing a multi-channel cooling path inside a core rod and an external spray cooling path; the temperature sensing and monitoring module is used for collecting temperature data inside and on the surface of the core rod in real time; the intelligent control module is used for dynamically generating cooling parameters based on the target temperature and the current temperature of the core rod; and the cooling execution and feedback module is used for adjusting the flow rate of the cooling liquid, the spraying pressure and the spraying direction according to the cooling parameters generated by the intelligent control module. By optimizing an internal cooling path and an external spray cooling design of the core rod, efficient and uniform cooling is realized so as to shorten the shaping time; the precise temperature control and partition cooling technology is combined, thermal stress and deformation are effectively reduced, and the machining precision is improved; and meanwhile, the operation cost is reduced through dynamic energy consumption optimization and cooling liquid circulation, and the green and energy-saving targets are achieved.

The present invention discloses a laser obstacle removal remote control system for remote obstacle removal of overhead lines, which relates to the field of laser obstacle removal technology, in order to solve the problem of inaccurate obstacle acquisition by laser obstacle removal equipment. The integration and optimization of steps such as image processing, dynamic adjustment and batch normalization of the present invention can significantly improve the processing efficiency of image data, so that the laser obstacle removal equipment can respond and identify obstacles more quickly, and the obstacle features in the optimized image data are trained and calculated with the obstacle model using a computer learning algorithm, which can greatly improve the system's adaptability and robustness. By continuously learning new obstacle features, the system can gradually improve its recognition performance, calculate the characteristics and operation mode of the obstacle through a particle filtering method, and adjust the direction of the laser beam in real time according to the calculation results, thereby ensuring accurate tracking of the obstacle position.

The invention discloses a vehicle control method and device, electronic equipment and a storage medium, and belongs to the technical field of vehicles. The method comprises the following steps: acquiring a first vehicle speed and a tire pressure value of a vehicle in a driving process under the condition that an endurance auxiliary function is started; under the condition that the first vehicle speed is larger than or equal to a first preset value, if the tire pressure value is smaller than a first preset range or is within the first preset range, a second vehicle speed of the vehicle is obtained after first preset time; and under the condition that the second vehicle speed is larger than or equal to the first preset value, the tire pressure value is increased to a second preset range, so that the tire pressure value of the vehicle is matched with the vehicle speed. When the vehicle speed is high, the vehicle speed is obtained after a period of time, and the tire pressure is actively increased when the vehicle speed is stabilized at the preset value or above, so that the rolling resistance of wheels is reduced, the endurance of the vehicle is improved, and the problems of energy waste and comfort reduction caused by frequent adjustment of the tire pressure are solved; therefore, the reduction of comfort is reduced to a certain extent while the endurance of the vehicle is improved.

The invention relates to the technical field of building data center infrastructure management, and discloses an infrastructure management method and system based on a data center. The method comprises the steps of collecting data of a building cooling and lighting system through a sensor, performing edge equipment anomaly detection, performing hybrid model-based energy consumption prediction, performing system optimization and performing feedback monitoring. Compared with the technical problems in the prior art that dynamic optimization cannot be realized in a complex building environment, and especially energy efficiency cannot be ensured difficultly under the condition of large demand fluctuation or high load, the energy efficiency of the cooling and lighting system is improved through edge calculation and a multi-objective optimization algorithm, energy consumption waste is avoided, and the energy efficiency of the cooling and lighting system is improved. And the stability and the response capability of the system are obviously improved.

The invention relates to the field of hydrogen fuel cells, in particular to a hydrogen fuel cell system device and an idling zero-power control method, and the hydrogen fuel cell system device comprises a fuel cell stack, a DCDC converter electrically connected with the fuel cell stack, a cooling fan module electrically connected with the fuel cell stack, and an FCU controller; a hydrogen supply unit and an air supply unit are arranged on the fuel cell stack; the DCDC converter is provided with a high-voltage output positive electrode and a high-voltage output negative electrode, the DCDC converter is provided with a 24V output interface, and the 24V output interface is electrically connected with the cooling fan module; the FCU controller is in control connection with the DCDC converter and the cooling fan module. According to the invention, redundant electric energy is converted into 24V low-voltage electric energy through the DCDC converter to drive the fan to operate, so that the redundant electric energy is effectively consumed. The method not only improves the energy utilization efficiency of the system, but also avoids the damage of the electric pile caused by excessive power generation.

The invention relates to the technical field of animal repelling, in particular to a bird repelling method and device for a power transmission line. The bird repelling method comprises the steps of data image acquisition, data image processing, building of a bird recognition model, recognition of the visual recognition device and action of the pressing launching device. The bird repelling device comprises a power supply device, a bird detection device, a visual recognition device, a pressing launching device and a self-checking device. Solar energy can be used for supplying power, the types and positions of birds are accurately judged through the intelligent detection and recognition technology, effective repelling is achieved in an accurate repelling mode, meanwhile, remote monitoring and intelligent dispatching are supported, and the safety and stability of a power transmission line are improved.

The invention provides a heat dissipation system and method, the heat dissipation system comprises a hydraulic motor, a fan, a water radiator, a plunger pump and a controller, an engine is connected with the plunger pump and drives the plunger pump to rotate, the plunger pump is communicated with the hydraulic motor, and the fan and the water radiator are correspondingly arranged; when the temperature of the hydraulic oil is lower than 80 DEG C and the temperature of the anti-freezing solution is lower than 83 DEG C, the anti-freezing solution is circulated and cooled in the engine; when the temperature of the hydraulic oil is lower than 80 DEG C and the temperature of the anti-freezing solution is higher than 83 DEG C, the controller controls rotation of the hydraulic motor by controlling the displacement of the plunger pump, and the anti-freezing solution sequentially passes through the water radiator and an internal water path of the engine for cooling; and when the temperature of the hydraulic oil is higher than 80 DEG C, the controller controls the plunger pump to drive the hydraulic motor to drive the fan to rotate at the maximum displacement, and the anti-freezing solution sequentially passes through the water radiator and the engine for cooling. According to the cooling system, the rotating speed of the fan can be adjusted in real time according to the temperature of the anti-freezing solution and the hydraulic oil, and unnecessary rotation of the fan and energy waste are prevented.

The invention relates to a linear guide rail cooling method, device and equipment applied to a machine tool and a storage medium. The method comprises the steps that linear guide rail temperature data are obtained in real time, the linear guide rail temperature data are analyzed based on a fuzzy logic control algorithm, the linear guide rail temperature change trend is obtained, and the temperature threshold value of a cooling system is dynamically adjusted according to the linear guide rail temperature change trend; under the condition that the linear rail temperature data exceed a preset temperature threshold value, the output power of a compressor is dynamically adjusted for preliminary heat dissipation, and the cooling process is optimized through the self-adaptive refrigerant flow speed control technology; and the machine tool coincidence state is obtained, under the condition that the machine tool load state is reduced to the preset machine tool load and / or the linear guide rail temperature data is reduced to the temperature stable value, the future cooling requirement is analyzed through a preset temperature prediction algorithm, and the output power of the compressor is adjusted in advance according to the future cooling requirement. The cooling device has the effect of improving the cooling efficiency of the machine tool linear rail.

The invention relates to the technical field of refrigerator refrigeration and defrosting, in particular to a refrigerator evaporator with a high-precision defrosting mechanism, which comprises an assembly frame body mounted on a refrigerator, and fins are fixedly mounted in the assembly frame body through a coil pipe. According to the refrigerator evaporator with the high-precision defrosting mechanism, a transverse flow guide pipe internally provided with a transverse flow fan is fixedly assembled in the assembly frame and located on one side of the fins, so that the air cooling uniformity of the evaporator is greatly improved, and the air cooling effect is improved; the air outlet is formed in the inner wall of the assembly frame and located on one side of the fins, the electric control type flow guide cover is installed in the air outlet, the refrigeration mode of the refrigerator can be changed according to needs, operability is improved, and application scenes are more diversified. The temperature sensor is installed on the electric control type flow guide cover, the electric heating film is installed on the inner wall of the air outlet of the transverse flow guide pipe, and the electric heating film is automatically started according to the temperature difference of different areas, so that air heating defrosting is accurately and directionally started, and energy waste caused by large-area defrosting is avoided.

This invention discloses a novel, low-load, high-efficiency thermoelectric decoupling heating system. The system is characterized by replacing the high-pressure bypass section with an extraction section. This extraction section extracts steam from the middle of the superheater and uses this steam to heat the secondary air or drive the induced draft fan. Compared to existing technologies, this invention, after heating the secondary air or driving the induced draft fan, returns the steam to the cold section, thus overcoming the problem of limited extraction capacity in conventional systems. It also allows for changes in the coal-to-water ratio within the boiler under low load conditions, increasing the outlet steam temperature of the superheater and reheater under low load conditions, and avoiding the widespread problem of underheating of main steam and hot reheat steam under low load conditions.

The present application relates to the technical field of power distribution control, and particularly relates to a power intelligent dynamic distribution method for a skid steer loader based on multi-working condition identification. The method comprises the following steps: performing skid steer loader multi-modal operation characteristic analysis on power states of skid steer loader multi-source operation data to generate skid steer loader multi-modal operation characteristic data; performing skid steer loader working condition characteristic analysis on the skid steer loader multi-modal operation characteristic data to generate skid steer loader working condition characteristic data; performing power demand characteristic analysis on working condition dynamic change trends based on skid steer loader real-time operation data and the skid steer loader working condition characteristic data to generate working condition dynamic change trend power demand characteristic data; and performing skid steer loader power distribution and dynamic optimization processing based on the working condition dynamic change trend power demand characteristic data to generate skid steer loader power distribution dynamic optimization data. The present application realizes efficient and energy-saving intelligent distribution of power under multi-working conditions of a skid steer loader.

Cold air enters a main air supply pipeline through an air outlet of an air cooler and enters the interior of the refrigeration house through air outlets and air expansion pipes, the air expansion pipes can enable the cold air to enter the top of the refrigeration house in a diffusion mode, and therefore the cold air is evenly distributed and diffused towards the lower portion of the refrigeration house, and the cold air can be supplied to the refrigeration house by adjusting and controlling the elongation of an electric telescopic rod. The control valves at the joints of the branch pipelines and the main air supply pipeline are opened, cold air in the main air supply pipeline enters all the branch pipelines, the cold air can be guided to the two sides of the refrigeration house through the branch pipelines, and the cold air can be guided to the two sides of the refrigeration house through the main air supply pipeline. Cold air enters the refrigeration house from the two sides of the refrigeration house through the inclined openings, the cold air is diffused from the top and the two sides of the refrigeration house in multiple directions, diffusion and distribution of the cold air in the refrigeration house can be more uniform, it is guaranteed that all areas of the refrigeration house can reach the specified storage temperature within a short time, the cold air fed by the air cooler is evenly utilized, and unnecessary energy consumption waste is avoided.

The utility model relates to the technical field of cement product production, in particular to a drying device for cement product production, which comprises a drying box and a bearing component, the bottom of the drying box is connected with a motor case, a heat preservation base plate is laid in the drying box, and grooves are arranged on two sides of the heat preservation base plate. Drying water pipes are laid on the inner side of the groove, a connecting through pipe is arranged at the joint of the two drying water pipes, a water supply connector end is connected to the outer sides of the drying water pipes, a bearing assembly is arranged in the middle of the upper end of the heat preservation base plate, and a motor rotating shaft is arranged at the joint of the bottom of the bearing assembly and the top of the motor case. The problems that in the prior art, after an existing cement product is formed, the cement product needs to be dried and solidified through the procedures of airing, curing and the like, but the situation of uneven drying is likely to happen when an existing drying device is used for drying, so that the cement product is locally heated and solidified, and part of the cement product cannot be synchronously dried are solved.

According to the catalyst for preparing olefin from synthesis gas and the preparation method, by means of the pore channel structure of porous carbon, active metal cobalt and iron are loaded in pore channels of a porous carbon carrier in a layered mode, an auxiliary is loaded on the surface of the porous carbon carrier, and due to the fact that the catalytic activation temperature of cobalt is lower, the catalytic activity of the catalyst is improved; the synthesis gas conversion reaction can be firstly started at a relatively low temperature, so that energy waste caused by activation of iron at a high temperature is avoided; an iron-based catalyst is high in activity but serious in internal diffusion, iron in a porous carbon carrier pore channel is difficult to quickly contact a reactant and start a reaction, and after cobalt is activated firstly, heat is transferred through a reaction atmosphere in the pore channel to drive the iron in the pore channel to participate in the reaction. Therefore, the catalyst provided by the invention does not need to depend on the high-temperature activation condition of iron, and the activity temperature of the whole catalyst is lowered; meanwhile, a large amount of iron serves as a main active center, and synthesis gas can be efficiently converted.

The present application proposes a frequency modulation method and device for an energy storage system based on blockchain technology, and relates to the field of blockchain technology. The method includes: determining a target blockchain server from multiple candidate blockchain servers according to frequency modulation demand parameters; setting up a development environment based on the target blockchain server, and obtaining a target smart contract in the development environment; deploying the target smart contract in the blockchain network of the target blockchain server, and establishing a communication channel between the blockchain network and the energy storage system; obtaining a first frequency of the power network and a dispatching condition of the power network based on the communication channel, and performing frequency modulation logic processing on the first frequency and the dispatching condition according to the target smart contract, obtaining a modulated second frequency, and applying the second frequency to the energy storage system. The embodiment of the present application can improve the frequency modulation efficiency and safety of the energy storage system, and avoid energy waste and data security issues.

The present invention relates to the technical field of gas generator sets, and specifically to a container-type gas generator set, comprising: an air-cooled heat dissipation mechanism, wherein the air-cooled heat dissipation mechanism comprises a plurality of wind wheels for heat dissipation, wherein the central axes of the plurality of wind wheels are fixedly connected to a rotating shaft, and the outer wall fixed sleeve of the rotating shaft is provided with three concentrically arranged first gears. When the heat generated by a certain generator set increases, the heating condition of the generator set is monitored by a thermistor, and a signal is transmitted to a PLC controller, and since the thermistor is heated and its resistance decreases, the second gear is moved upward by an adaptive adjustment component, and the driving motor is controlled to stop running by the PLC controller, and the driving motor is pushed forward by an electric telescopic rod, thereby driving the second gear to move synchronously, so that the second gear is meshed with the first gear with a relatively small diameter, thereby increasing the rotation speed of the wind wheel.

The invention discloses a power distribution unit modular design control method and system of an intelligent power distribution cabinet, and belongs to the technical field of design control. Setting an environment sensing function area, an intelligent control function area and a power adjusting function area for a power distribution unit of the intelligent power distribution cabinet; the environment sensing function area obtains temperature data and humidity data; the intelligent control function area controls the operation of elements in the intelligent power distribution cabinet, and carries out the adjustment of the optimal temperature and humidity range. Calculating the power generated by the element during operation; calculating comprehensive current data and comprehensive voltage data of the element; calculating the comprehensive power and the operation influence degree of the element based on the comprehensive current data and the comprehensive voltage data; and presetting a threshold value, analyzing and outputting early warning to the intelligent control function area. Through dynamic adjustment and intelligent early warning, the energy utilization efficiency is optimized, the safety and reliability of the system are improved, meanwhile, good expansibility and adaptability are achieved, and the requirements of a modern intelligent power system can be met.

The utility model relates to the technical field of greenhouses, and provides a greenhouse environment mobile acquisition device which comprises an environment acquisition device. The track is arranged at the top of the greenhouse in the first direction, a plurality of collection point positions are arranged on the track at intervals, and each collection point position is provided with a position detection component; the transmission part is movably arranged on the track, is connected with the environment acquisition device and is used for driving the environment acquisition device to move on the track in the first direction and staying at each acquisition point position to complete environment information acquisition; the driving device is in transmission connection with the transmission part and used for driving the transmission part to move in the first direction; the controller is electrically connected with the driving device and used for controlling starting and stopping of the driving device; according to the utility model, greenhouse space utilization is optimized, dynamic coverage is realized with less equipment, data is closer to actual environment distribution, and greenhouses with different areas can be flexibly adapted.

The utility model discloses a kind of solar water heaters of efficient heating, including inclined strut frame, vacuum tube, water inlet pipe, water outlet pipe, U-shaped tube, encapsulation jar, circulating pump, patch temperature sensor and heat-insulated water tank;Encapsulation jar is equipped with multiple pipe interfaces along its length direction, one end of vacuum tube is inserted into pipe interface, other end is connected with the bottom of inclined strut frame, the outer wall of vacuum tube is coated with light-transmitting coating, inner wall is coated with titanium nitride coating, U-shaped tube is attached in the inner wall of vacuum tube, U-shaped tube has water inlet and water outlet.The utility model is attached with U-shaped tube in the inner wall of vacuum tube, cooperate with the light-transmitting coating of vacuum tube outer wall and the titanium nitride coating of inner wall, can enhance photo-thermal conversion efficiency, reduce heat loss, effectively improve the heating efficiency of water flow;Water outlet pipe is equipped with patch temperature sensor, and is electrically connected with circulating pump, can automatically start circulating pump when water temperature reaches set value, to deliver hot water to heat-insulated water tank, effectively improve the utilization efficiency of heat energy.

The invention belongs to the technical field of gasification devices, and particularly relates to a two-stage gasification device for graphite regeneration and a two-stage gasification process thereof.The two-stage gasification device comprises a first-stage gasification device, a conveying device and a second-stage gasification device, a furnace tube is rotatably arranged in a first gasification furnace, and a first heater is arranged on the periphery of the inner wall of the first gasification furnace; the second-section gasification equipment comprises a second gasification furnace, a heating cavity is formed in the second gasification furnace, a furnace door is arranged at the upper end of the second gasification furnace, and a second heater is arranged in the heating cavity; according to the invention, through the first gasification furnace, the first heater and the rotatable furnace tube, moisture in the graphite obtained through aeration separation is dried, and organic impurities are removed, so that the graphite is subjected to secondary gasification, and the graphite is discharged from the furnace tube and is conveyed into the heating cavity of the second gasification furnace through the conveying equipment. Transmission equipment is arranged for cooling the graphite subjected to primary gasification, and redundant metal impurities in the graphite are further removed through a second gasification furnace and a second heater, so that the purity and the performance of the graphite are improved.

The invention provides a defrosting control method and system for a variable-frequency air heat pump unit, and the method comprises the steps: building a standard suction pressure dynamic reference of the system under different environment temperatures and loads, calculating the attenuation value of the current actual suction pressure relative to the reference in real time, and precisely quantifying the system energy efficiency reduction degree caused by frosting; when the energy efficiency attenuation value exceeds the threshold value and the environment temperature meets the frosting condition, defrosting is triggered; according to the air source heat pump defrosting method, the defects that a traditional defrosting method based on time and temperature is high in misoperation rate and large in energy consumption are fundamentally overcome, the complexity of an energy efficiency evaluation method depending on waterway parameter calculation is also avoided, accurate control of high efficiency with frost and no frost mistake is achieved, and the operation energy efficiency, reliability and user experience of the air source heat pump are remarkably improved.

The utility model discloses wood shaving material drying equipment which comprises a drying barrel and a supporting frame, and the supporting frame is fixedly connected to the bottom of the drying barrel. A feed port is formed in the top of the drying barrel, and a discharge port is formed in the bottom of the drying barrel; at least two groups of microwave generator systems are arranged at the top of the drying barrel; each group of microwave generator system comprises a waveguide and a magnetron; a motor is arranged in the center of the end face of one side of the drying barrel, the two sides of the motor are each provided with a fixed connecting column, and the motor is fixedly connected to the outer surface of the drying barrel through the two fixed connecting columns; the driving output end of the motor is fixedly connected with a rotary reflecting plate device; and the rotary reflecting plate device comprises a turntable, a rotary connecting rod and a reflecting plate. According to the designed microwave generator system, microwaves penetrate through the interior of materials, water molecules in the materials vibrate and heat, and internal and external synchronous drying is achieved.

The invention discloses a large-scale outdoor speaker, which relates to the technical field of outdoor speakers and comprises an outdoor speaker and a sound grille. The sound grille is fixedly connected to the outdoor speaker. A rain shielding component is arranged on the outdoor speaker, and the rain shielding component comprises a fixing rod, which is fixedly connected to the top surface of the outdoor speaker. The sound grille is shielded away from one side of the outdoor speaker by a waterproof roll cloth, and a casing and the waterproof roll cloth form a closed cavity, which isolates the sound grille from an external rainstorm environment, and prevents the sound grille from becoming a channel for rainwater to penetrate into the outdoor speaker under the continuous impact and invasion of rainwater in the rainstorm environment, thereby ensuring the safety of key components such as speakers and circuits inside the outdoor speaker, and ensuring the normal operation of the outdoor speaker. At the same time, it can prevent the problem of rusting of metal components and aging of plastic components caused by rainwater contacting the sound grille and internal components of the outdoor speaker, thereby ensuring the service life of the outdoor speaker.

The application discloses a multifunctional air conditioner and a use method thereof, and belongs to the technical field of air conditioners. The multifunctional air conditioner comprises a first heat exchange mechanism, a first water tank, a first upper water pipe, a second heat exchange piece and a first circulating pump. The second heat exchange piece is arranged in the first water tank, the first heat exchange piece is located above the first water tank, the first circulating pump is installed on the first upper water pipe, and the first heat exchange piece is communicated with the first water tank through the first upper water pipe. The first heat exchange mechanism comprises a first heat exchange working medium pipeline, a compressor, a throttling element and a third heat exchange piece. The second heat exchange piece, the compressor, the throttling element and the third heat exchange piece are connected in series through the first heat exchange working medium pipeline. Heat exchange is formed between the second heat exchange piece and the first heat exchange piece, and heat exchange is formed between the second heat exchange piece and the third heat exchange piece. By opening or closing the compressor, the multifunctional air conditioner has a cold air mode and a refrigeration mode.